how do u do 6 to power of -10?

6^-10=1/6^10

\(6^{-10}=\frac{1}{6^{10}}=\frac{1}{60,466,176}\approx 0.0000000165381717\approx1.654\times10^{-8}\)

If you just want to put it into the calculator, you can type it like this:

6^(-10)

Note that \(x^{-y} \implies \frac{1}{x^y}\)