Question

Evaluate 2.2^3.2^-5.2^-1
A. -4
B. -8
C 1/4
D 1/8

Answer 1

you mean 2(2^3)(2^-5)(2^-1)?
if so add exponents: 1+3-5-1=-2
so 2^-2 is 1/4, the answer is C

Answer 2

remember the first 2 is 2^1
and PLEASE USE PARENTHESES!!!!