Question

Which expression is equivalent to 2^4 ⋅ 2^−7?

Answer 1

the answer for this is:

subtract 7 from 4 to get -3

 you then have 2^-3

remove the negative exponent by rewriting as 1/(2^3)

Answer 2

Your answer would be 1/2^3 ( 1 over two to the 3rd power