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Is 9/10 a real number
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Is 9/10 a real number

User Alexander Shlenchack
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It is real and rational!

User Houssem TRABELSI
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Yes, in order to be a real number, it must not contain the number i, which is an imaginary number, represented by √-1. Since 9/10 is equal to .9, there is no i in the number, meaning it is a real number.

User SpoonMeiser
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