Question #5b6b3

1 Answer
Dan Kemp · [eden]
Jun 7, 2017

#sqrt80 = 8.94427191#

Explanation:

#sqrt80 = sqrt2 xx sqrt2 xx sqrt2 xx sqrt2 xx sqrt5 = 4sqrt5#

#sqrt80 = 8.94427191#

We can prove this by squaring this number.

#8.94427191 xx 8.94427191 = 80#

#8.94427191^2 = 80#

#therefore# the square root of = #4sqrt5#

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