What is the expression written using each base only once?

1 answer:

5 0

1. (-4)^-6 * (-4)^7 = (-4)^(-6+7) = (-4)^1 =
B. -4

2. (3*10^6)*(8*10^-4) = (3*8)*10^(6-4) = 24*10^2 =
B. 2.4*10^3

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