Question

express using a positive exponent d^-9=d^9?

Answer 1

d^-9 = 1/d^9

Answer 2

how come i have to put it over 1

Answer 3

Negative exponent is simply a simpler way to represent that reciprocal.

Answer 4

It is basic terminology. Nothing special to it.

Answer 5

so if id have put d^9 as my answer would be wrong

Answer 6

Yes. They are not "equal".

Answer 7

ok thanks, i always ask

Answer 8

Nothing wrong in asking.

Answer 9

\[b^{-n}=\frac{1}{b^n}\] by definition