It is 3.9
39/10 = 3.9
39/100 = 0.39 as a decimal
39/500 = 39 ÷ 500 = 0.078
39/70 as a decimal is 0.5'571428' recurring '571428'
39/20 = 39 ÷ 20 = 1.95
As a decimal 39/100 = 0.39
13/39 = 0.33... (recurring).
Expressed as a decimal, 39/44 is equal to 0.8863 recurring (that is, 0.88636363...)
0.78
0.65
4.875
0.975