Hey!
Hope this helps...
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Question like this are fairly simple...
The one thing you should know, is when ever you deal with questions like this, always go to your calculator first...
But... I will help you with this one...
We know:
9^15 = 205891132094649
3^27 = 7625597484987
So, what is (9^15) / (3^27)???
Well we pull out our calculator, and enter it in, and we get: 27
So...
The answer is: 3^27 is 27x smaller than 9^15