Jika log 2=0,3010 log 3=0,4771 log 5=0,6989 Hitung a.log 60 b.log 0,6

a. log 60

= log (2 x 3 x 10)

= log 2 + log 3 + log 10

= 0, 3010 + 0,4771 + 1

= 1,7781

b. log 0,6

= log (2 x 3 : 10)

= log 2 + log 3 – log 10

= 0,3010 + 0,4771 – 1

= -0,2219