1.89 = (1 * 100) + (8 * 1/101) + (9 * 1/102)
1.89 = (1 * 1) + (8 * 1/10) + (9 * 1/100)
1.89 = 1 + 8/10 + 9/100
1.89 = 1 + 0.8 + 0.09
Expanded Form of 1.89
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