0.422 = (4 * 1/101) + (2 * 1/102) + (2 * 1/103)
0.422 = (4 * 1/10) + (2 * 1/100) + (2 * 1/1,000)
0.422 = 4/10 + 2/100 + 2/1,000
0.422 = 0.4 + 0.02 + 0.002
Expanded Form of 0.422
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