Question

Y the fifth power times y to the fourth power

Answer 1

`Y^9`

Step-by-step explanation:

When multiplying numbers/variables with exponents, according to the exponent rule, you have to add the exponents. 4 + 5 = 9.

`Y^(5)* Y^(4)=Y^(9)`

Answer 2

y to the 9th power
Step-by-step explanation:
when multiplying the same variable, you add the exponents together :)