Write one hundred twenty-nine and two tenths as a decimal number.
129.2
To write one hundred twenty-nine and two tenths as a decimal number, you simply add the whole number and the decimal part together.
The whole number, 129, remains the same, whereas the decimal part, two tenths, can be written as 0.2.
Adding them together, we get 129 + 0.2 = 129.2.
So, one hundred twenty-nine and two tenths can be written as 129.2 as a decimal number.
To write one hundred twenty-nine and two tenths as a decimal number, you simply write the whole number part followed by the decimal part.
The whole number part is 129, and the decimal part is two tenths, which can also be written as 0.2.
So the decimal number is 129.2.