Question

What is the square root of 42

Answer 1

http://www.math.com/students/calculators/source/square-root.htm

Answer 2

You usually need a calculator. That should help.

Answer 3

i got 6.480 what does other people think?

Answer 4

That's right^^

Answer 5

I go 4, 2, sqrt on my calc and it says 6.48blah

Answer 6

Yeah its 6.48 there is no way to simplify this one like some other square root numbers

Answer 7

\[x_{n+1} = \frac{21}{x_n} + \frac{x_n}{2}\]

Answer 8

if ya dont have a calculator

Answer 9

notice that 2 and 3 and 7 are not perfect squares
and that the square root of 42 is in its simplest form