Use Multiplication Properties of Exponents: example 6.22

Simplify: ⓐ ${(y^{5})}^{9}$ ⓑ ${(4^{4})}^{7} .$

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

Simplify: ⓐ ${(b^{7})}^{5}$ ⓑ ${(5^{4})}^{3} .$

How did it go?


Use the power property, (a^m)ⁿ = a^m·n.
Simplify.