20 hundredths = 0.20
you write .20 which means the same thing as twenty hundredths
20.03
It is 30.20
5.2
0.2
0.20
20%
30.20
20 and 8 tenths and 19 hundredths written as a decimal is 20 + 0.8 + 0.19 = 20.99
0.20 tons
If you mean 30 and 20/100 then it is 30.2 as a decimal