The decimal 31 thousand and 57 hundredths is: 31,000.57
31 hundredths as a decimal is 0.31.
.31 3 is in the the tenths and 1 is in the hundredths.
31,000.57
31000.57
6.31
5.31 The 3 is in the tenths decimal place, the 1 is in the hundredths decimal place. That makes 31 hundredths.
.31 If that number is out of 100.
31/10
Expressed as a decimal, 31/100000 = 0.00031
31/100
31,000.57