Whenever we have a negative exponent, that means that the function should be in the denomenator. then the exponent will be positive.
Example
16^-4 = 1/(16^4)
$104 because 30% of $80 is $24 and $80+$24 is $124 so...... that's what I got
Answer:
The answer is A which is X^3 3 root y
