-5/7 express the rational numbers as decimal and say what kind of decimal expansion
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To express this number in the decimal form, you simply have to divide (-5) by 7.
(-5) / 7 = -0.714285714285 ...
You can write this number as -0.714285 bar (Bar means a line over the digits 714285.)
Since this number is not ending (or terminating), this decimal number is non-terminating and since its 6 digits are repeating, it is a repeating decimal number.
Therefore, this number has non-terminating and repeating (or recurring) decimal expansion.
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