Expanded Form of 12.45

Place Value Chart
Tens Ones Tenths Hundredths
12.45 1 2 . 4 5

Expanded Form of 12.45:
12.45 = (1 * 101) + (2 * 100) + (4 * 1/101) + (5 * 1/102)
12.45 = (1 * 10) + (2 * 1) + (4 * 1/10) + (5 * 1/100)
12.45 = 10 + 2 + 4/10 + 5/100

12.45 = 10 + 2 + 0.4 + 0.05

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