Decimal places change by a factor of 10.
For example, let's look at the number 3,247.8956 below.
3 x 1000thousands
2 x 100hundreds
4 x 10tens
7 x 1ones
8 x 0.1tenths
9 x 0.01hundredths
5 x 0.001thousandths
6 x 0.0001ten-thousandths
A decimal number can have a whole-number part and a fractional part.
Decimal Form - Expanded Form
57.49 = (5 x 10) + ( 7 x 1) + (4 x .1 ) + (9 x .01 )
For example, let's look at the number 3,247.8956 below.
3 x 1000thousands
2 x 100hundreds
4 x 10tens
7 x 1ones
8 x 0.1tenths
9 x 0.01hundredths
5 x 0.001thousandths
6 x 0.0001ten-thousandths
A decimal number can have a whole-number part and a fractional part.
Decimal Form - Expanded Form
57.49 = (5 x 10) + ( 7 x 1) + (4 x .1 ) + (9 x .01 )