Simplify: 32×3−15−2×20

Adam wrote: 3−2×522
Nick wrote: 3×52
Shane wrote: 3−352
Who was correct and why?

(1 point)
Responses
A
None of these are correct because the students did not add the exponents in the numerator and then subtract exponents since there is division.
B
Nick is correct because the negative exponent in the numerator can combine with the like base and the denominator negative exponent goes to the numerator.
C
Shane is correct because all that needs to be done is to make the negative exponents positive.
D
Adam is correct because the negative exponent combines with the base and the denominator moves to the numerator.

1 answer

The correct answer is D.
Adam is correct because the negative exponent combines with the base, and the denominator moves to the numerator.