If 502w (40w)
= 100000012 ; Find w.
Solution
502w (40w) =
100000012
(502)w (40w)
= (106 ) 12
(2500)w (40w)
= 106x12
(2500 x 40)w = 1072
(100000)w = 1072
(105)w = 1072
5w = 72
w = 14.4 answer
TRY THIS…………………………….
If 43t (16t) =
128 ; Find t.
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