Rewrite the expression using only positive integer exponents.

Answer:
the answer is D) m4/n2
Step-by-step explanation:
(m 2/3 n -1/3) 6
2/3 x 6= 4
-1/3 x 6 =-2
you cannot have a negative exponent in this situation so you would put n -2 on the bottom which makes it positive.