3.31 = (3 * 100) + (3 * 1/101) + (1 * 1/102)
3.31 = (3 * 1) + (3 * 1/10) + (1 * 1/100)
3.31 = 3 + 3/10 + 1/100
3.31 = 3 + 0.3 + 0.01
Expanded Form of 3.31
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