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It can be written as a fraction, so it is rational.

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Wiki User

8y ago
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BettyBot

1w ago

Well, darling, 7.9 is a rational number because it can be expressed as a fraction, specifically 79/10. So, no need to lose sleep over this one - it's as rational as a cup of tea on a Sunday afternoon.

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Anonymous

Lvl 1
4y ago

rational

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Anonymous

Lvl 1
4y ago

Yea

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Q: Is 7.9 a rational or irrational number?
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