Which expressions are equivalent to 1/9*1/9*1/9 ?

(1/9)^-3
9^5/9^2
None of the above

Question

Which expressions are equivalent to 1/9*1/9*1/9 ?

(1/9)^-3
9^5/9^2
None of the above

anonymous · Answer

none of the above

anonymous · Answer

correct answer is (1/9)^3

maddy1251 · Answer

$$\frac{ 1 }{ 9 } x \frac{ 1 }{ 9 } x \frac{ 1 }{ 9 } = 0.0013717...$$

maddy1251 · Answer

Ah those were suppose to be multiplying symbols, not variables. Still, same idea as multiplication. :P Now lets see what the answer choices equal.

maddy1251 · Answer

A) = 729, when 1/9^(-3) = 729, same as 9^(3)

maddy1251 · Answer

OS is being slow so sorry for the delay. :(

maddy1251 · Answer

I am assuming C) is 9^(5) / 9^2 =  59049 / 81 = 729 as well.

maddy1251 · Answer

So I agree with oncer, none of the above.

monkey* · Answer

Thank you!

luckyness · Answer

Great job @Maddy1251 !! :)

maddy1251 · Answer

@Luckyness Why thank you!! I try to show the work the best I can to explain answers, rather ran DA. So thanks ^.^

luckyness · Answer

:) I appreciate it!