243.689 = (2 * 102) + (4 * 101) + (3 * 100) + (6 * 1/101) + (8 * 1/102) + (9 * 1/103)
243.689 = (2 * 100) + (4 * 10) + (3 * 1) + (6 * 1/10) + (8 * 1/100) + (9 * 1/1,000)
243.689 = 200 + 40 + 3 + 6/10 + 8/100 + 9/1,000
243.689 = 200 + 40 + 3 + 0.6 + 0.08 + 0.009
Expanded Form of 243.689
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