Answer:

Step-by-step explanation:
Using the rule of exponents
=
, then
=
= 
$29.99=$30
$30-$15=$15
Ace's profit is $15
Answer:
is there more to the problem
Answer:
3.62
Step-by-step explanation:
I used a calculator. But on the bottom, it says the rounded number should only have 3 digits. The real answer is 3.622580645. But since I rounded the answer would be 3.62.
Hope this helps!