320 = 4 * 4 * 4 * 5
The square root of each 4 is 2.
5√320 = 2*2*2*5√5 = 40√5
If you look up 320 or 5 on a square root table in the back of your statistics text you will get 17.8885 or 2.2361, respectively.
how to you simplify 5 sqrt 320 how do i start
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