Let me try writing it again...
(X/2)^3*(X/2)^4
---------------------
(X/2^3)^2

I keep getting X/2^6, but the book says X/2^5. How do you get X/2^5????

1. You keep the base and add the exponents

in the numerator

(x/2)^7

in the denominator it looks like you are raising a power to a power..

so you keep the base and multiply the two powers

denominator should be (x/2)^6

I don't know where the 5 is coming from in your answer... unless I am not understanding what the problem actually said or maybe you have a typo.

My answer would be x/2 because 7 -6 = power of 1.

posted by John1
2. Thank you!! It must be a typo in the book. Singapore Math. I appreciate all of your help!!

posted by Logan
3. books have been know to be wrong, as do most teachers and students.

from the way you typed it, the simplified answer is

(x/2)^7 / (x/2)^6
= x/2

John1's explanation is correct

posted by Reiny
4. Thank you!! It must be a typo in the book. Singapore Math. I appreciate all of your help!!

posted by Logan

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