What is the square root of 4.9?

1 Answer
Alan P.
Sep 4, 2015

#sqrt(4.9) ~~2.2136color(white)("XXXXXXX")#(primary square root)
or
square root of #4.9# is #+- 2.2136color(white)("X")#if you allow negative roots)
(...and let's not get into this discussion again)

Explanation:

There really isn't any reasonable way to determine this except by using a calculator

Related questions
See all questions in Simplification of Radical Expressions
Impact of this question
4826 views around the world
You can reuse this answer
Creative Commons License