It is 12.3
12.3
12 and three tenths = 12 + 3/10 = 12 + (3 ÷ 10) = 12 + 0.3 = 12.3
Parts of a number like 3 tenths always go on the right side of the decimal point. Whole numbers go on the left side of the decimal point 3 tenths = .3
The decimal point in three and seven-tenths goes after the whole number 3 and before the 7 tenths.
To write 7 and 3 tenths as a decimal, you simply place the digit "3" in the tenths place after the decimal point. Therefore, 7 and 3 tenths written as a decimal is 7.3.
3 and nine tenths as a decimal is 3.9
Three tenths is .3 as a decimal.
three tenths as a decimal = 0.3
3.3
.3 or .30
0.3
0.3