Wednesday 16 December 2015

EXPONENTIALS - 1


If a2 = 30; find the value of a4.

solution

a4 = (a2)2.

a4 = (30)2.   [ since a2 = 30]

a4 = 30 x 30

a4 = 900  answer


TRY THIS.........................


NECTA FORM II - 2012 QN. 8


If a2 = 12; find the value of a4.

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