# how to find answers of square roots by using log book if solving a question of corelation?

Dear Student

Log books or charts are used to find out logarithm value of a number . Not square roots. But if you want to search for square roots , suppose you need square of 10 .

Let 10= a
Therefore ${\mathrm{log}}_{10}a$ = 2
Now a log book can be used to find out value of a .

Regards .

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