What is rational?

Number Theory Level 3

Determine which of the following numbers is a rational number .

√(64/49) √7 √2 √π

Sheryl-Lynn Tan by Sheryl-Lynn Tan , 18, Singapore

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1 solution

A rational number is a number that can be written as a ratio. That means it can be written as a fraction.

64 49 \sqrt{\dfrac{64}{49}} can be simplified as 8 7 \dfrac{8}{7} .

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