Expanded Form of 3.125

Place Value Chart
Ones Tenths Hundredths Thousandths
3.125 3 . 1 2 5

Expanded Form of 3.125:
3.125 = (3 * 100) + (1 * 1/101) + (2 * 1/102) + (5 * 1/103)
3.125 = (3 * 1) + (1 * 1/10) + (2 * 1/100) + (5 * 1/1,000)
3.125 = 3 + 1/10 + 2/100 + 5/1,000

3.125 = 3 + 0.1 + 0.02 + 0.005

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