First, lets review the shortcut rules:
multiplication means add the exponents
division means subtract the exponents
raised to a power means multiply the exponents.
negative exponents means to flip the fraction (move to the other side of the fraction bar)
9) First, I am going to distribute "-3" to "
b²" = a¹²
I like to group like terms together, simplify, and then put them together:
Like terms:
|
| 
Simplify:
|
| 
Answer:
Now try #10 on your own and check your answer below:
Answer: 2uv¹⁵