Question

Which expression is equivalent to (7^3)^-2?
a. 1 over 7 * 7 * 7 * 7 * 7 * 7
b. 7
c. 1 over 6 * 6 * 6 * 6 * 6 * 6 * 6
d. 1 over 7

Simplify (-9)10 × (-9)-3.

a. (-9)^13

b. 9^7
c. 9^-30
d. (-9)^7

In which expression should the exponents be subtracted?

a. (6^10)^-7
b. 2^9 over 5^9
c. (one half)^11 * (one half)^-4
d. 3^8 over 3^5

Which operation would you use on the exponents to simplify the expression 57 × 511?

a. Addition
b. Subtraction
c. Multiplication
d. Division

Answer 1

Hurry!

Answer 2

Well I'm a little slow.