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Q: Is 3 and two fifths a rational number?

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Not necessarily. 1/3 + 1/3 = 2/3 which is (must be) rational, but is not a natural number.

Yes.

yes it can, look at the example √3 times the √3 is 3. these two are rational numbers.

To the nearest whole number: 3

3/10

A rational number is a number that can eb expressed as a ratio of two numbers. 1/3 is a rational number, with a decimal representation of 0.333333 ... .

3 is a rational number.

Two over three can be expressed as a ratio (2/3), so it is therefore a rational number.

Yes. 2+sqrt(3) and 5+sqrt(3). Their difference is 3, which is rational.

The number 3 is a rational number (as is any integer).

Yes. Any number that can be written as one integer over a non-zero integer is a rational number. 2 3/5 = (2×5+3)/5 = 13/5 which is the form of one integer over a non-zero integer, thus it is rational.

There are an infinite number of rational numbers between any two rational numbers.

32/5

3 is a rational number.

-3 is a rational number

3.3333

0.3333

3 can be expressed as a fraction, so it is a rational number.

A number is rational if it can be written as a fraction. -3 is rational, because it can be written as -3/1.

Yes. -3 is both rational and real. -3 is an integer. All integers are rational numbers. All rational numbers are real numbers. Thus -3 is a rational number and a real number.

Any number that can be expressed as the ratio of two integers; 1/2, 2/3, 3/4. etc.A rational number is any number that can be expressed as a fraction

One fifth PLUS two fifths = 3 fifths

3 and 2 fifths = 3 + 2/5 = 3.4

A whole number combined with a proper fraction

rational