8^3 x 8^-2x 8^-4

Asked by AnneS2 on 30 Mar 04:55

Last updated by anonymous on 31 Mar 12:04

Answered by CherieS on 31 Mar 12:04

If the bases are the same then you simply add the exponents:

83 x 8-2x 8-4 =the bases are all "8"

=83+-2+-4

=81+-4

=8-3

=1/512