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8 August, 08:32

Which of the following is a rational number? square root of 15, square root of 16, square root of 17, square root of 18

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  1. 8 August, 10:12
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    16 is a rational number 16/1.

    Step-by-step explanation:

    If you take the square root of 15 it will be 3.8 ... but doesnt repeat, square root of 16 is 4 (perfect square), square root of 17 is 4.123 ... doesnt repeat or stop, and the square root of 18 is 4.242 ... but doesnt repeat or stop. A rational number can be expressed as a ratio or a fraction. 16 can be expressed as a fraction the other numbers keep going meaning never stop.
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