(2.5*10^3)*3.4*10^2 (in scientific notation)​

Answers

Answer 1

Answer:

8.5 × 10^5

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer 2

[tex]\\ \rm\Rrightarrow (2.5\times 10^3)^3\times 4\times 10^2[/tex]

[tex]\\ \rm\Rrightarrow 2.5\times 3.4 10^3 \times 10^2[/tex]

[tex]\\ \rm\Rrightarrow 8.5\times 10^{3+2}[/tex]

[tex]\\ \rm\Rrightarrow 8.5\times 10^5[/tex]


Related Questions

4(1/2+3/4)+(-2) equals what?

Answers

Answer:

3

Step-by-step explanation:

i think

Answer:

[tex]4( \frac{1}{2} + \frac{3}{4} ) - 2 \\ = 4( \frac{2 + 3}{4} ) - 2 \\ = 4( \frac{5}{4}) - 2 \\ = 5 - 2 \\ = 3[/tex]

Which of the following is true, according to the graph?

There is a much larger preference for science among those who prefer R&B.
There is a much larger preference for English among those who prefer rock.
There is a much smaller preference for math among those who prefer country.
The percentages for class preference are relatively the same among the different music groups.

Answers

Answer:

a one is right answer

Step-by-step explanation:

h.j.j.k kaoa0

There are □ terms in the sequence 1000,2000, 3000, 4000, ...., 500000

Answers

Answer:

500

Brainliest, please!

Step-by-step explanation:

We are adding 1000 each time.

500000/1000 = 500

Answer:

Step-by-step explanation:

[tex]Number\ of\ terms\ =\dfrac{500000-1000}{2000-1000} +1\\\\=\dfrac{499000}{1000} +1\\\\=499+1\\\\=500\\[/tex]

what is the range of this function ??? please explain

Answers

Answer:

B. (2, 3, 4)

Step-by-step explanation:

The range of a function is the list of y values. In this instance, the y values present in this function are 2, 3, and 4. Therefore, the answer is B. (2, 3, 4).

Graph the line with slope 2 passing through the point (-5, 2)

Answers

Answer:

Equation is y=2x+12

The image is a picture of the graph(it's not the best but it's something.

Solve the simultaneous
equation log(x+2) +log2=2log y and log(x-3y+3)=0

Answers

Answer:

that's is my answer for the question

true or false |-7|>-|-7| HELPP I BEGG YOU

Answers

Answer:

False

Step-by-step explanation:

Those straight lines that look like this -> |

Represent absolute value.

All absolute value means is the distance a number is from zero.

For example: -2 is 2 numbers away from zero.

5 is 5 numbers away from zero.

-7 is 7 numbers away from zero.

So when something says |-7| that is the same value as 7

So 7 = 7

NOT 7>7 (that doesn't make sense)

The second term of arithematic proggresions 7. and the sum of the first four termd is 12 find
a) first term
b)common difference​

Answers

Answer:

a) a1=15 first term

b) d=-8 common difference

Step-by-step explanation:

1)a1+d=7

2)a1+a2+a3+a4=12

a1+a1+d+a1+2d+a1+3d=12

4a1+6d=12

2a1+3d=6

We have the system of equations where a1+d=7 and 2a1+3d=6

3a1+3d=21

2a1+3d=6

Subtract the second equation from the first one

a1=15

d=-8

First term = 15

Common difference = -8

Let the first term be a and common difference be d.

Therefore,

a+d = 7       -     eq. 1

a+(a+d)+(a+2d)+(a+3d) = 12      -    eq. 2

4a + 6d = 12

4a + 4d + 2d = 12

Dividing both sides by 2,

2a + 2d + d = 6

2 (a+d) + d = 6

Substituting value of (a+d) in the above equation,

2*7 + d = 6

d = 6 - 14

d = -8

Substuting value of d in eq. 1

a+d = 7

a + (-8) = 7

a = 7 + 8

a = 15

To learn more about arithematic proggresions:

https://brainly.com/question/24016699?referrer=searchResults

Rational or Irrational: -4 √81

Answers

Answer:

it is rational

Step-by-step explanation:

Answer:

it's rational number

I hope it's helps you

(8)/(r+2)+(8)/(r-2)=3

Answers

Answer:

- 2/3, 6

Step-by-step explanation:

Write 96% as a fraction.

Answers

Answer:

Directly, it would be 96/100. However,  we can reduce it to become 48/50 = 24/25.

(underlined is simplest answer)

24/25

Step-by-step explanation:

96%

=96/100

=24/25

answer

$24000 was deposited in an account. If rate of interest is 15% p.a. compounded annually, then calculate the amount after 2 years.

(a) 5060 (b) 5180 (c) 5290 (d) 5350.

Answers

Answer:

Principal=P=24,000

Rate of interest=r=15%

Time=n=2

3

1

years

Here first we take n=2years

A=P(1+

100

r

)

n

where A=Amount and n=number of years

A=24000(1+

100

15

)

2

=24000×

100

115

×

100

115

=Rs.31,740‬

The amount after 2 years is Rs31,740‬

Now principal=Rs.31,740‬

Simple interest for last

3

1

year is

100

PRT

=31,740‬×

100

15

×

3

1

= Rs.1,587‬

∴ Amount after 2

3

1

year= Rs.31740+1587= Rs.33,327

C.I =A−P

∴C.I=33,327−24,000=Rs.9,327‬

Answer:

solution :

principal (p)=24000

rate of interest (r)=15%

time(t)= 2 years

simple interest (S.I)=?

amount (a)=?

now,

S.I=PRT

100

=24000*15*2

100

=240*15*2

=7200

Again,

a=P+S.I

=24000+7200

=31200#

Simplify 21v ^-6 divided by (-7v^-6)

Answers

The answer is -3. I just did it on a calculator

In a survey of small business owners, a response to which of the following questions would be qualitative?

a. How much did your business have in profits last year?
b. How long have you owned a business?
c. What type of business do you own?
d. How many businesses do you own?

Answers

C I believe is the correct answer

For the considered survey, the questions whose response is going to be qualitative is given by: Option C: "What type of business do you own?"

What is qualitative data?

Qualitative data tells about the quality or characteristic. It is tough to express it numerically or not at all expressible numerically. They are usually catagorical.

In contrast, there is quantitative data which can be expressed numerically.

Option A, Option B and Option D will get answers which would be in numbers. Thus, their responses would be quantitative.

Option C's question will get response as type of business that the business owners own. So its not in numbers and tells about the characteristic of businesses.

Thus, for the considered survey, the questions whose response is going to be qualitative is given by: Option C: "What type of business do you own?"

Learn more about qualitative and quantitative data here:

https://brainly.com/question/12929865

Order of operations 8x18/4+15

Answers

Answer:

8×18=144

4±15=19

144÷19

7.579 answer

√5 • -4√20

PLEASE SHOW STEP BY STEP ON HOW YOU SOLVED THE EQUATION​

Answers

Answer:

-40

Step-by-step explanation:

[tex] \sqrt{5} \times - 4 \sqrt{20} [/tex]

Multiplication is commutative.

[tex] - 4 \sqrt{20} \times \sqrt{5} [/tex]

Apply Profuct Rule

[tex] - 4 \sqrt{100} [/tex]

Simplify sqr root of 100

[tex] - 4 \times 10 = - 40[/tex]

Hi ;-)

√5 · (-4√20) = -4√(5 · 20) =

= -4√100 = -4 · 10 = -40

which is not a whole number “8, -10, 0, 18/3”?

Answers

Answer:

-10 I guess its this maybe

Simplify the complex fraction: -1 5/6 / -1/12

Answers

Answer:

[tex] = \frac{11}{3} = 3 \frac{2}{3} [/tex]

Step-by-step explanation:

[tex] \frac{ - 1\frac{5}{6} }{ - \frac{1}{12} } = \frac{ - \frac{11}{6} }{ - \frac{1}{2} } [/tex]

[tex] \frac{ - \frac{11}{6} }{ - \frac{1}{2} } = \frac{ \frac{11}{6} }{ \frac{1}{2} } [/tex]

[tex] = \frac{11}{3} = 3 \frac{2}{3}[/tex] ✅

I. LUI
Solve the equation by factoring. (Enter your
ans
4x^2 – 8x – 5 = 0

Answers

Answer:

hope it's helps you.......

corey paid for a dinner and left a 15% or $3.45 in tips. How much was the original bill without counting the tip?

Answers

Answer:

19.55 $

Step-by-step explanation:

3.45$×10=34.5=150% of his money overall

34.5÷3=11.5

11.5×2=23= 100% of his money

23-15%=19.55$

$23

Step-by-step explanation:

15% of x = 3.45

= 15/100 = 3.45/x

x= 23

HURRY WILL GIVE BRANLIEST!!!!!!!

Answers

Answer:

√17

Step-by-step explanation:

An irrational number is a number that cannot be expressed as a ratio of two integers. Or in other words, an irrational number can't be expressed as a fraction. You really cant divide one integer by another integer to get √17, so that makes it an irrational number.

Evaluate each using the values given.

m-((-3) + p)-q; use m= 10, p=-6, and q = 10

Answers

Answer:

9

Step-by-step explanation:

10-((-3) + -6)-10

10-(-9)-10

10+9-10

9

brainiest to whoever rightt.

Answers

Answer:

Perimeter of a square

Step-by-step explanation:

The formula for finding out the perimeter of a square is P = 4s

3. Consider the multiplication operations below and choose whether the fosuit com
be rational, Inational, or both.
Irrational
Expressions
Rational
8. VE
О
tvo. V
V3.12
о

Answers

Answer:

1st expression= rational 2nd expression= rational 3rd expression = irrational

Step-by-step explanation:

The first and second expressions are rational because they both equal whole numbers (4 and 3) while the last expression equals a decimal that goes on forever with no end, thus making it irrational.

Graph the line with slope -3/4 passing through the point (2,2)

Answers

Step-by-step explanation:

the answer is in the graph above

caterpillar crawls 25 inches in one minute. How many inches does it crawl in 5 minutes?​

Answers

Answer:

125 inches

Step-by-step explanation:

In one minute caterpillar crawls 25 inches. So in 5 minutes we have 5 times 25 inches is 125 inches.

By equation

Additional: 25 + 25 + 25 + 25 + 25 = 125 (inches)

Mutiplication: 25 * 5 = 125 (inches)

The caterpillar crawls 125 inches in 5 minutes

because it is said that the caterpillar crawls 25 inches in one minute so we can use multiplication 25 x 5 = 125

(1.) Find the equation of the line passing through the points (-4,-6 ) and (-5,5).

(2.) Find the equation of the line with slope -8 that passes through the point (3, -8).

Answers

Answer:

1) y=-11x-50    2)y=-8x+16

Step-by-step explanation:

1.  y=mx+b- it is the main equation for a line'

If we take the first point and use its coordinates we have -6=-4m+b

If we take the second point and use its coordinates we have 5=5m+b

These equations are simultaneous for our line because the line passes through both points

-6=-4m+b

5=-5m+b

If subtract the second one from the first equation

-6-5= -4m+b- (-5m+b)

-11= m

b= -6-44=-50

y=-11x-50

2) y=mx+b

-8=-8*3+b

b=16

y=-8x+16

A.It has reflectional symmetry with one line of symmetry.

B.It has point symmetry.

C.It has no reflectional symmetry.

D.It has rotational symmetry with an angle of rotation of 180°.

Answers

Answer:

Step-by-step explanation:

( A ). It has reflectional symmetry with one line of symmetry.

I don’t know how to do this pls help me with this!!

Answers

Answer: 1st bar: 1=100%

2nd bar= 1/2=50%

3rd bar= 1/3= 33.3%

4th= 1/4= 25%

5th= 1/5= 20%

Last bar= 1/10= 10%

Step-by-step explanation:

!Can some1 help! !Help FAST!

What is the algebraic expression for the word phrase "4 times a number minus 9"?

A. 4(y-9)
B. 4y-9
C. 4(9-y)
D. 9-4y

Answers

Answer:

4y-9

Step-by-step explanation:

y is the number, 4 times the number = 4y

so 4y-9

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