Question

If log 8=0.9 then find log25⁸
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Answer 1

Answer:

Goven, log

10

8=0.9

⇒log

10

2

3

=0.9

⇒3log

10

=0.9 (Using loga

b

=bloga)

⇒log

10

2=0.3

Now, log

10

32

=

2

5

log

10

2=2.5×0.3=0.75=

4

3

⇒m=3.