Question

1 by 2 whole power minus 3 into 1 by 4 whole power minus 3 into 1 by 5 whole power minus 3

Answer 1

(1/2)^-3*4^-3 *(1/5)^-3

2*1/4*5

=5/2

Answer 2

(1/2)-² +(1/3)-² + (1/4)-²

=2²+3²+4²

=4+9+16

=29

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