Will multiplying 3.14 by a fraction result in a rational answer

Yes. When you multiply a fraction by 3.14, the results will be a rational answer.

Step-by-step explanation:

Let's look at some examples. The fractions we are going to be using are , , and

We are going to multiply these fractions by 3.14 and prove that when you multiply a fraction by 3.14, your results will be rational.

Ex. 1

Ex. 2

Ex. 3

So, based on these fractions, then we can conclude that when you multiply a fraction by 3.14, then your answer will be rational.

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

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the answer is 8/21

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