Question

What is the value of k in the product or powers below? 10^-3 • 10 • 10= 10^-3= 1/10^3

Answer 1

-1

Explanation:

-1.

Explanation:

Note: 10 = 10^1 so:

10^-3 x 10 x 10^k = 10^(-3 + 1 + k) = 10^(k - 2).

So 10^(k - 2) = 10 ^(-3)

and k - 2 = -3

k = 2 - 3 = -1.