9^2 x 9^-2 x 9^4

Asked by AnneS2 on 30 Mar 04:55

Last updated by anonymous on 31 Mar 12:00

Answered by CherieS on 31 Mar 12:00

If the bases are the same then you can just add the exponents:

92 x 9-2 x 94 the bases are all "9"

=92+-2+4

=90+4

=94

=6561