What is 400 hundredths equal to in tenths and ones?

400 hundredths is equal to 4 tenths, since 1 hundredth is equal to 0.01 and 400 hundredths equals 4.00. In terms of ones, it is also equal to 0 ones, as 4.00 does not reach a whole number. Therefore, 400 hundredths can be expressed as 0 ones, 4 tenths, and 0 hundredths.