Answer:

Step-by-step explanation:
With a negative fractional exponent place a 1 over the positive value

rewrite 8 as

apply the power rule and multiply the exponents.
cancel the common factor of 3
rewrite the expression

raise 2 to the power of 4 which =16
so the answer is

Answer:
B) Cube
Step-by-step explanation:
A) square pyramid has one square base and 4 congruent triangles
B) Cube has 6 congruent squares
C) Rectangular pyramid has one rectangle base and 4 congruent triangles
D) Rectangular prism has 3 sets of rectangles; total of 6 rectangles