Question

what is the value of b in this equation (y^-9)^b=y^45

Answer 1

Answer:

-5

Step-by-step explanation:

Using rules of exponents we can change this equation to

y ^ (-9 * b) = y^45

-9*b = 45

b = -5

Answer 2

Answer:

The correct answer is - 5

Step-by-step explanation: