Expanded Form of 7.9

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Ones Tenths
7.9 7 . 9

Expanded Form of 7.9:
7.9 = (7 * 100) + (9 * 1/101)
7.9 = (7 * 1) + (9 * 1/10)
7.9 = 7 + 9/10

7.9 = 7 + 0.9

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