3.678 = (3 * 100) + (6 * 1/101) + (7 * 1/102) + (8 * 1/103)
3.678 = (3 * 1) + (6 * 1/10) + (7 * 1/100) + (8 * 1/1,000)
3.678 = 3 + 6/10 + 7/100 + 8/1,000
3.678 = 3 + 0.6 + 0.07 + 0.008
Expanded Form of 3.678
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