Question

I need help with math.

Answer 1

A divided a= a
When dividing powers you simply take them away. -13 - -6 = -7

Answer a^-7

Answer 2

Explanation:

we use the property a^n/a^m=a^(n-m)

so

a^-13/a^-6=

a^((-13)-(-6))=a^-7