Yes.
yes
It is rational and also a whole number.
The number 43 is a rational number because it can be expressed as a fraction, specifically ( \frac{43}{1} ). Rational numbers are defined as numbers that can be represented as the quotient of two integers, and since 43 meets this criterion, it is classified as rational.
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