Question

Which expression is equivalent to 3^7•3^-4

Answer 1

3^7 * (1/3)^4 because a^(-n) = (1/a)^n

Explanation:

because a^(-n) = (1/a)^n

Answer 2

3^3 which is = 27

Explanation:

When multiplying exponents with the same base, you just add the exponents and keep the same base.