Tuesday 11 July 2023

EXPONENTIALS K1

 

If 52w (40w) = 1000000 ; Find w.

Solution

52w (40w) = 1000000

(52)w (40w) = 106

(25)w (40w) = 106

(25 x 40)w = 106

(1000)w = 106

(103)w = 106

103w = 106   (Bases are alike, so they cancel out)

3w = 6

3w = 62

3       3

 

w = 3

 

TRY THIS…………………………….

 

If 42t (4t) = 128 ; Find t.


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