2015
Mathematics
JAMB
If log520 = x, find x
A.
1.761
B.
1.354
C.
1.861
D.
2.549
Correct Answer: 1.861
Explanation
log520 = x 5x = 20(Take log10 of both sides) log5x = log20 xlog5 = log20 x= [log20 ÷ log20] [1.30103 ÷ 0.69897] x = 1.861
log520 = x 5x = 20(Take log10 of both sides) log5x = log20 xlog5 = log20 x= [log20 ÷ log20] [1.30103 ÷ 0.69897] x = 1.861THIS WEEK's
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