Question

Write the smallest rational number by which 1/3

should be multiplied so that its decimal

expansion terminates after one place of decimal.
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Answer 1

Answer:

To get a terminating decimal digit we use in the denominator.

The number of decimal digit is proportional to “m” and “n” the decimal digit is m if m > n and n if decimal digit is n.

If the denominator is 2, 5 or 10 we find the decimal digits termination after one place

So the smallest number that can be multiplies by is , as has 0.1.

It is the smallest decimal expansion that can be nothing is smaller than 1 except zero but that won’t be decimal.

Step-by-step explanation:

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Answer 2

Answer:

0.1

Step-by-step explanation:

let m=n=1

1/3×1/10

=0.1