could someone help me with math?

Question

Simplify this expression. If the answer contains exponents, all exponents should be positive.

(h^5)^-3/h^-12

Answer 1

(h ⁵ ) ^{- 3}  = h ^-15

 

h ^-15 / h ^{- 12}   = h ^{-15 + 12} = h ^-3  = 1 / h ³