0.497 = (4 * 1/101) + (9 * 1/102) + (7 * 1/103)
0.497 = (4 * 1/10) + (9 * 1/100) + (7 * 1/1,000)
0.497 = 4/10 + 9/100 + 7/1,000
0.497 = 0.4 + 0.09 + 0.007
Expanded Form of 0.497
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