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 answer
:
