Posted by **Yoda** on Tuesday, September 18, 2012 at 3:15pm.

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 -
**Yoda**, Tuesday, September 18, 2012 at 3:32pm
Plz help me

- Math -
**Steve**, Tuesday, September 18, 2012 at 3:53pm
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 -
**Yoda**, Tuesday, September 18, 2012 at 3:57pm
Thank You so so so much :D

- Math -
**Steve**, Tuesday, September 18, 2012 at 4:18pm
My pleasure it is. :-)

## Answer This Question

## Related Questions

- math - Evaluate the expression 6^-2 x 4^0. a)12 b)48 c)1/36 d)36 Write 3^2 x 3^-...
- Math - 1. Which exponent makes the statement true? 1/5^9 = 5^? a. 9 b. -9 c. 1/9...
- Math help please. - this is for a practice test. i just need the explanation on ...
- Math help please - 7. In the expression –7x – 5x2 + 5, what is the coefficient ...
- math - Which exponent makes the statement true?
- Write each expression using a single exponent. - Write each expression using a ...
- Math Help? Check my answers. - 1. Name the coefficients in the polynomial. 4x^2...
- Math - Write each expression using a single exponent. Xy^5 • x^3 y^7
- math - write each expression using a single exponent please help 1.a^5/a^3 2.x^9...
- math - Write the expression using a single exponent. 2^2*2^8 A.4^10 B.2^10 C.4^...

More Related Questions