0.431 = (4 * 1/101) + (3 * 1/102) + (1 * 1/103)
0.431 = (4 * 1/10) + (3 * 1/100) + (1 * 1/1,000)
0.431 = 4/10 + 3/100 + 1/1,000
0.431 = 0.4 + 0.03 + 0.001
Expanded Form of 0.431
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