What is the square root of 70?

1 Answer
Sep 10, 2015

sqrt(70) ~~ 8.3666 (and -8.366 if you allow other than the primary root)

Explanation:

Expressed in prime factors
color(white)("XXX")70 = 2xx5xx7
therefore it has no squares as factors

The only easy way to evaluate sqrt(70) is to use a calculator (or similar technology)