Prove that 3.142678 is a rational number.
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3142678/1000000 it can be represented in this format
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The no. 3.142678 can be written as 3142678/1000000
which means that the decimal expansion is terminating
and Moreover the denominator can be expressed as a product of 2^m * 5^n
and here it is 2^6*5^6=(2*5)^6
which means that the decimal expansion is terminating
and Moreover the denominator can be expressed as a product of 2^m * 5^n
and here it is 2^6*5^6=(2*5)^6
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