Question

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

Answer 1

-10

Explanation:

1st: the

2nd: expect

3rd: said

last step: so

Answer 2

b= -10

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