# Math

posted by .

3. What makes the statement true? 7^–2 =?

4. Evaluate the expression 6^-2 • 4^0?

5. Write 5^2 • 5^-1 • 5^3 as a single exponent.

9. What is the solution to (4 × 10^3) × (6 × 10^6), written in scientific notation?

11. Find the product.
1/10 • 4/10

• Math -

Plz help me

• Math -

7^-2 = 1/7^2 = 1/49

6^-2 = 1/6^2 = 1/36
4^0 = 1 (as does any number n^0)
6^-2 • 4^0 = 1/36 * 1 = 1/36

5^2 • 5^-1 • 5^3 = 5^(2-1+3) = 5^4

(4×10^3)×(6×10^6) = 4×6×10^(3+6) = 24×10^9 = 2.4×10^10

1/10 • 4/10 = 1•4/(10•10) = 4/100 = 1/25

• Math -

Thank You so so so much :D

• Math -

My pleasure it is. :-)

## Similar Questions

1. ### math

Which exponent makes the statement true?

7. In the expression –7x – 5x2 + 5, what is the coefficient of x?
3. ### math

Evaluate the expression 6^-2 x 4^0. a)12 b)48 c)1/36 d)36 Write 3^2 x 3^-3 x 3^6 as a single exponent. a)3^4 b)3^5 c)3^11 d)27^5
4. ### Math Help? Check my answers.

1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial?
5. ### Write each expression using a single exponent.

Write each expression using a single exponent. 34.) 5^10/5^7 36.) 76^11/76^5 Please, Please, show work.
6. ### Math

Write each expression using a single exponent. Xy^5 • x^3 y^7

this is for a practice test. i just need the explanation on how to solve them and help solving them. or for a couple of them to check my answers. write each expression using a single exponent. 1) x^9/x^2 A)x^11** B)x^7 C)7 D)x^5 2) …
8. ### Math

1. Which exponent makes the statement true?
9. ### Math

Write each expression using a single exponent 1. x^9/x^2 a)x^11 b)x^7 <-------------- c)7 d)x^5 2. h^14/h^5 a)h^-9 b)1/h^9 c)h^19 d)h^9 <-----------------
10. ### Math

What makes the statement true? 8-^2=? 64**** 16 -1/26 1/64 Evaluate the expression 4-^2x2^0 8 16*** 1/16 -64 Write 5^2•5-^1•5^3 as a single exponent 5^4 5-^6**** 5^5 5^2

More Similar Questions

Post a New Question