How do i multiply and divide with exponents? see below for picture.

Multiplying and Dividing Exponents are very easy.
When they are multiplied, we add the exponent numbers together.
When they are divided, we subtract the exponent numbers.
In this example, /
We can conclude that  is 1 because,
any number to the power of 0 is 1
=
take the exponents alone:
-18+3 (Because it is multiplication) =-15
Final