What is the square root of 70?

1 Answer
Alan P.
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)

Related questions
See all questions in Simplification of Radical Expressions
Impact of this question
5299 views around the world
You can reuse this answer
Creative Commons License