Question

Se log a = 0,297 e log 10 = 1, calcule log(100a)

Answer 1

Lembre que:

㏒ (a × b) = log a + ㏒ b

㏒100 = ㏒$(10^{2})$ = 2 × ㏒10

2 × ㏒10 + ㏒a

2 × 1 + 0,297 = 2,297