Question

Which expression is equivalent to 3^-3 times 4^-3?

a. 12^-6
b. 1/12^3
c. 12^9
d. 1/12^3

Answer 1

same power, so u can group it
(3*4)^-3
(12)^-3
note that a^-b equals to 1/(a^b)
hence
the answer is d

Answer 2

option b. 1/12^3

option b. 1/12^3Explanation:

option b. 1/12^3Step-by-step explanation:3^-3×4^-3=5.787037037×10^-4

option b. 1/12^3Step-by-step explanation:3^-3×4^-3=5.787037037×10^-41/12^3=5.787037037×10^-4