Expanded Form of 231.5

Place Value Chart
Hundreds Tens Ones Tenths
231.5 2 3 1 . 5

Expanded Form of 231.5:
231.5 = (2 * 102) + (3 * 101) + (1 * 100) + (5 * 1/101)
231.5 = (2 * 100) + (3 * 10) + (1 * 1) + (5 * 1/10)
231.5 = 200 + 30 + 1 + 5/10

231.5 = 200 + 30 + 1 + 0.5

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