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Because 4.3 can be represented by a fraction of two integers, namely 43/10, it is therefore a rational number.

Yes. All integers are rational numbers.

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no

Q: Is 43 a rational number

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yes

You wont be able to add a rational number and an irrational number and get a number not in a fraction ( 3 + 22/7) (21/7 + 22/7 = 43/7) So, yes as you see in the example above it made another irrational number.

Yes.

yes

It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.

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It is rational and also a whole number.

Yes.

It is equal to 43/9.

It is not defined, so it is not a number of any kind.

Given any two integers, x and y, such that y is not 0, then x/y is a rational number. So for example, 3476/43 is a rational number.

The number 1.43 can be expressed as a fraction - as 1 43/100 or one and forty-three hundredths. Therefore, it is rational.

43/7 is a mixed number. It is a positive rational number.

It is a decimal with 2 significant figures. It is a rational number 4.3 = (43/10). Not sure what else you're looking for.

It is a rational number. It can be written as a fraction.

yes

Is 12.05 a rational number or irrational number?

1.96 is a rational number