Wednesday, 27 December 2017

EXPONENTIALS 6


If k5 - 200 = 2925; find k.

Solution

k5 - 200 = 2925

k5 = 2925 + 200 [taking 200 in the right hand side]

k5 = 3125

k = 5 [since the 5th root of 3125 is 5]

Hence k = 3

TRY THIS…………………………


If w5 - 20 = 223; find w.


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