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CBSE Class 11-science Answered

Please explain me with deriving step by step the concept of logarithm.
Asked by subhajit.690 | 05 Dec, 2016, 02:30: PM
answered-by-expert Expert Answer

Consider the number 567894.

Logarithms of the number 567894 = log(567894).

The number of digits in the given number is 6.

Therefore, the characteristic of the given number is 6 − 1 = 5.

Now, let us find the mantissa part of the number 567894.

From the table, find the row with n = 5.67.

Find the column 8; the number inside the cell is 0.754195

Now add the characteristic and mantissa.

Thus, log(567894) = 5 + 0.754195 = 5.754195.

Answered by Vijaykumar Wani | 06 Dec, 2016, 12:40: PM
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