Answer:
d)
Step-by-step explanation:
we simplify by doing 7 x 2 = 14
so it is now
to check, we can use a calculator.
7 to the power of 14 = 678223072849
and
7 to the power of 7, squared also = 678223072849
Hope this helps!
1. 4ft x 4ft
2. 64ft^3
$3.75