Question

Find all the real square roots of 0.0081

Answer 1

every non-negative real number has only ONE square root

Answer 2

sqrt 81 = 9

can you go from there

Answer 3

so .09 and -.09

Answer 4

good point
\[\large 0,0081=\frac{81}{10000} \]

Answer 5

so
\[\large \sqrt{0,0081}=\sqrt{\frac{81}{10000}} \]

Answer 6

Edwin, that's a very helpful approach.

Answer 7

so .09 and -.09
is right