Question

Calcule o valor de
A)Log (2⁴ . 3elevado à 5)
B)log 0,75

Answer 1

Boa tarde

log(2) = 0.30103
log(3) = 0.47712 

a) log(2^4*3^5) = 4log(2) + 5log(3) 
= 4*0.30103 + 5*0.47712 = 3.58972

b) 

log(0,75) = log(3/4) = log(3) - log(4) 
= log(3) - 2log(2) = 0.47712 - 2*0.30103 = -0.12494