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QUESTION
Q
If log2 = 0.30103 and log3 = 0.4771, find the number of digits in (432)8.
Solution
log(432)8 = 8log(432)= 8log(27 × 16)= 8(log27 + log16)= 8(Log33 + log24)= 8(3log3 + 4log2)= 8[3(0.4771) +...
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Keynote
The characteristic of the common logarithm of a number greater than unity is positive and is less by one than the number of digits in its integral part.Characteristic of...
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