SOLUTION: okay so how do i simplify the square root of 128? i know it has something to do with prime numbers i was thinking product rule using 4, 2 and sixteen but i am not sure what to do a

Question 171504: okay so how do i simplify the square root of 128? i know it has something to do with prime numbers i was thinking product rule using 4, 2 and sixteen but i am not sure what to do after that or how to write it!
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You started on the right track.

Prime factorization of 128
128/2 = 64
64/2 = 32
32/2 = 16
16/2 = 8
8/2 = 4
4/2 = 2
2/2 = 1

So there are 7 factors of 2 that make 128. Put another way,

Also, can be expressed as

Therefore

Let's see if this answer makes sense:

. Yep, that works.
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