Sarthaks Test
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Simplify and express the result in power notation with positive exponent.

(i) (-4)5 ÷ (-4)8

(ii) ( 1/2)2

(iii) (-3)4 x (5/3)4

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(i) (−4)5 ÷ (−4)8 = (−4)5 − 8 (am ÷ an = am − n)

= (− 4)−3 = 1/(-4)3               ( a-m = 1/am )

   

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