Question

What is the value of b in the equation below? 9^-8 x 9^-2 = a^b

Answer 1

Answer:

b= -10

Step-by-step explanation:

9^ -8  * 9^ -2

We know that a^b * a^c = a^ (b+c)

9^ (-8+-2)

9^ -10

We want it in the form a^b

a=9

b= -10