Question #3e9c7

1 Answer
M7chael
Oct 23, 2017

#16#

Explanation:

If you didn't have a calculator, you could break it up into a product of squares:

#sqrt(256)=sqrt(64*4)=sqrt(64)*sqrt(4)#

Remember taking the square root means you are thinking of a number that multiplies by itself to get the number inside, so:

#sqrt(64)*sqrt(4)=8*2=16#

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