Asked by Chrysanne

(ab)¯³
a-³ x b-³ =
1/a³ x 1/b³=


1/a^2b^2

why is the exponent changed to 2 and does not remain 3? Thanks
Answered by PsyDAG
Because x often is used an unknown, * is used online to indicate multiplication.

From your data, I don't know how you get (1/a)^2 * b^2 either.