You can
put this solution on YOUR website!
(9x4y7)3
Make sure every factor inside the parentheses
has an exponent showing. That includes the 9.
Give it a 1 exponent
(91x4y7)3
To remove the parentheses, use the distributive
principle for exponents:
Multiply every inner factor's exponent by the
outer exponent, 3:
91·3x4·3y7·3
93x12y21
729x12y21
Edwin
