Question

Plis kasi tau no 4 :(((((

Answer 1

A) log 18 = log 2 + log 9 = log 2 + 2 log 3 = 0,3010+2(0,4771) = 1,2552

b) log 21 = log 3 + log 7 = 0,4771 + 0,8451 = 1,3222

c) log 10,5 = log (21/2) = log 21 - log 2 =1,3222 - 0,3010 = 1,0212

d) log (1/7) = log 1 - log 7 = 0 - 0,8451 = - 0,8451