Question

express a rational number, 1.57 when 7 is recurring​

Answer 1

see the decimal 0.25 as repeating since it can be written 0.25000...) Also any decimal number that is repeating can be written in the form a/b with b not equal to zero so it is a rational number. ... Repeating decimals are considered rational numbers because they can be represented as a ratio of two integers

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