A rational no. Can be express as a terminating decimal if denominator has which factors?
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Any rational number can expressed as a terminating decimal if it is in the form of 2ˣ·5ⁿ
x and n are POSITIVE
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If the denominator is in the form of
Or,the denominator is the factor of 2 and 5 both.
Let X = be a rational number,such that prime factorisation of q is of the form ,where m and n are non - negative integers.
Then the decimal expansion of X will be terminate.
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