Expanded Form of 7.8

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Ones Tenths
7.8 7 . 8

Expanded Form of 7.8:
7.8 = (7 * 100) + (8 * 1/101)
7.8 = (7 * 1) + (8 * 1/10)
7.8 = 7 + 8/10

7.8 = 7 + 0.8

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