Question

In which expression should the exponents be multiplied

A.2^9 over 2^7
B.(6^10)^-7
C.(1 over 2)^3 (1 over 2)^5
D.5^2 . 5^4

Answer 1

B. (6^10)^-7

Explanation:

Exponents are multiplied when an expression with an exponent is raised to a power. That is the case for choice B.