Question

Dado log2 = 0,30 log3 = 0,47 calcule:

a) log 5
b) log 4

Answer 1

a)

$\log5=\\\\\log\left(\frac{10}{2}\right)=\\\\\log10-\log2=\\\\1-0,30=\\\\\boxed{0,7}$

b)

$\log4=\\\\\log2^2=\\\\2\cdot\log2=\\\\2\cdot0,30=\\\\\boxed{0,6}$

Answer 2

Dado log2 = 0,30 log3 = 0,47 calcule:a) log 5b) log 4Dado log2 = 0,30 log3 = 0,47 calcule:dx