Expanded Form of 21.31

Place Value Chart
Tens Ones Tenths Hundredths
21.31 2 1 . 3 1

Expanded Form of 21.31:
21.31 = (2 * 101) + (1 * 100) + (3 * 1/101) + (1 * 1/102)
21.31 = (2 * 10) + (1 * 1) + (3 * 1/10) + (1 * 1/100)
21.31 = 20 + 1 + 3/10 + 1/100

21.31 = 20 + 1 + 0.3 + 0.01

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