Question

Simplify the following expression.

2^-1/2 x 2^7/2

A. 4


B. 16


C. 64


D. 8

Answer 1

D. 8

Explanation:

2^-1/2 * 2^7/2

When we multiply exponents with the same base, we can add the exponents

a^b * a^c = a^ (b+c)

2^(-1/2 + 7/2)

2^(6/2)

2^(3)

2*2*2

8