small figure / small amount / the part of a number to the right of the decimal point (or radix point) / fractional part of a number / number between 0 and 1 / decimal fraction
百位
bǎi wèi
the hundreds place (or column) in the decimal system
尾数
wěi shù
remainder (after rounding a number) / decimal part (of number after the decimal point) / mantissa (i.e. fractional part of common logarithm in math.) / small change / balance (of an account)