Answer:

Step-by-step explanation:
=
The volume of a sphere is 


Answer:
d
Step-by-step explanation:
<span>Is that supposed to be:
(a²b³)⁴
If so, the exponent of an exponent is the product of the exponents, so we end up with:
a⁸b¹²</span>
Answer:
$32.50
Step-by-step explanation: