1.

If log 2 = 0.3010, the value of log 80 is:

Answer» log10 80 = log10 (8 x 10) = log10 8 + log10 10 = log10 (23 ) + 1 = 3 log10 2 + 1 = (3 x 0.3010) + 1 = 1.9030.


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