The correct answer is option D which is the number that produces a rational number when multiplied by 1/2 will be 10.
<h3>What is a rational number?</h3>
A rational number is one that can be written in the form of a fraction where the denominator isn't 0. This number is an integer and does not repeat infinitely.
When 1/2 is multiplied by 10 we get:
R = 1/2 x 10
R = 5
5 is a rational number so option A is correct.
Therefore the correct answer is option D which is the number that produces a rational number when multiplied by 1/2 will be 10.
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