Decimals help us to use numbers less than one. Decimals are separated from whole numbers by a decimal point.
The number 127.5369 has 4 decimal places. It can be represented in the following ways:
In place value table form:
In expanded fractional form:
127 + 5/10 + 3/100 + 6/1000 + 9/10 000
In expanded word form:
one hundred, two tens, seven units, five tenths, three hundredths, six thousandths and nine ten-thousandths.
In a number like 0.207 , the zero is called a place holding zero.