Question

Sabendo que log 2 = 0,30 e log 3 = 0,47 determine:
$log_{3}72$
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Answer 1

log3 72 =

log72 / log3

log(2³.3²) / log3

log2³ + log3² / log3

3.log2 + 2.log3 / log3

3(0,30) + 2(0,47) / 0,47

0,90 + 0,94 /0,47

1,84/0,47

3,915