(evaluate) (algebra)

Mathematics
Tutor: None Selected Time limit: 1 Day

Evaluate: a^-2b^3 if a = -3 and b = -2 .

May 15th, 2015

You expression is equal to :

(-3)^(-2)*(-2)^(3)=(-1/3)^(2)*(-2)^(3)=(-1)^(2)*(1/3)^(2)*(-1)^(3)*(2)^(3)

=1*1/9*(-1)*8=-8/9

May 15th, 2015

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