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find the value of x:

25=(748/7)p0werX

1 answer

I assume you mean:
25 = (748/7)^x
take log of both sides
log25 = log(748/7)^x
= x log(748/7)
= x(log748 - log7)
x = log25/(log748-log7)

get out your calculator and push some buttons
I got appr .689
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