Question

Please help solve for r.....w=Cr(-2), where -2 represents an exponent. Thanks.

Answer 1

\[w=Cr^{-2}\]
\[w=\frac{C}{r^2}\]
is a start

Answer 2

so
\[r^2=\frac{C}{w}\] and therefore
\[r=\pm\sqrt{\frac{C}{w}}\]

Answer 3

Online College!