Question

if log 2 = 0.3010,log 3=4771,log 5 = 0.6990, then find the value of log 16 over 15

Answer 1

Answer:

Given values

log2 = 0.3010

log 3 = 0.4771

To find the value of log 25.

Log 25 can be expressed as

log 25 = log (5 × 5)

log 25 = log 5 + log 5

log 25 = log(10/2) + log(10/2)

log 25 = (log 10 – log 2) + (log 10 – log 2)

log 25 = (1 – 0.3010) + (1 – 0.3010)

log 25 = 0.6990 + 0.6990

log 25 = 1.3980

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