Question 87421
x= {{{(sqrt(0.004))}}}
x=0.6325
Check by squaring the answer:
(.06325)^2= 0.004
If you square your answers:
(0.02)^2= 0.0004
and
(0.08)^2=0.0064
.
{{{(sqrt (0.85))}}} = 0.92195
.
Checking:
(0.92195)^2=0.84999 [close enough]

The best way is to use a calculator to find the square root of decimals.