2020
Mathematics
67ca00ce0c643c71d77dee1f
If log10 2 = 0.3010 and log10 3 = 0.4771, eventually without using the logarithm tables, log10 4.5
A.
0.3010
B.
0.4771
C.
0.6532
D.
0.9542
Correct Answer: 0.6532
Explanation
log10 2 = 0.3010 and log10 3 = 04771 log10 4.5 = log10 ((3 × 3)/2) log10 3 + log10 3 - log10 2 = 0.4471 + 0.771 - 0.3010 = 0.6532
log10 2 = 0.3010 and log10 3 = 04771 log10 4.5 = log10 ((3 × 3)/2) log10 3 + log10 3 - log10 2 = 0.4471 + 0.771 - 0.3010 = 0.6532THIS WEEK's
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