Exponents
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(-1/2)^-4 × (5/6)^-4
= {(-1/2)×(5/6)}^-4
[ a^m × b^n = (ab)^n]
= (-5/12)^-4
= (-12/5)^4
[ 1/a^-m = a^m]
= (12/5)^4
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(3/4)^1 × (4/15)^-1
= 4/3 × 15/4
[ (a/b) ^-m = (b/a)^m]
= 15/3
= 5
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= {(-1/2)×(5/6)}^-4
[ a^m × b^n = (ab)^n]
= (-5/12)^-4
= (-12/5)^4
[ 1/a^-m = a^m]
= (12/5)^4
___________________________________
(3/4)^1 × (4/15)^-1
= 4/3 × 15/4
[ (a/b) ^-m = (b/a)^m]
= 15/3
= 5
________________________________
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