Question

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How would you convince a fellow student that the number 0.57 is a raitional number?

Answer 1

A rational number is a number that can be written as a fraction where numerator and denominator are both integers (and the denominator is not zero).

Since 0.57 = 57/100, so the number 0.57 can be written as a fraction where the numerator (57) and denominator (100) are both integers.

Answer 2

.57 = 57/100