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

Asked by AnneS2 12 years ago 3/30/2013 4:55 AM

Last updated by anonymous 12 years ago 3/31/2013 12:00 PM

Answered by CherieS 12 years ago 3/31/2013 12:00 PM

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