Respuesta :

studentbiophychem

second answer!

3×3×3×3=81

2×2×2=8

multiply the powers of m ---> 4× -1=4

(denominator) ---> 4×2 =8

multiply the powers of n ---> -2×3 =6

(denominator) ---> 3×1 =3

now take the denominator to the top.