Because they can be expressed as a fraction
4.7 is already a rational number. If you mean as a mixed number, this is equal to 4 7/10 or four and seven tenths.
A mixed number is either less than -1 or greater than +1.
8.57 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 857/100. You can simplify this rational fraction if you require. As a mixed number, it is 8 57/100.
no but if you are not considering 1/pi or any other irrational number then the answer is yes
A mixed number is a rational number. Mixed numbers are not a rational number but many of them.
Because they can be expressed as a fraction
In any case, being the product of two rational numbers, it will also be rational. It can either be another mixed number, or it may happen to be an integer.
Is a rational number an integer
Yes normally because any number that can be expressed as a fraction is rational
It is a rational number and also a real number.
No, the set of mixed numbers is a subset of the set of rational numbers. For example the mixed number 1 ¼ is the same as the improper fraction 5/4 [a rational number]. Note that it is a subset, because integers are also rational numbers, but a mixed number will not be an integer. Also, any fraction between 0 and 1 will not be a mixed number.
4.7 is already a rational number. If you mean as a mixed number, this is equal to 4 7/10 or four and seven tenths.
This number is rational - all fractions, including decimal fractions and mixed numbers are rational.
Yes.A mixed number is a whole number plus a fraction.Fractions are rational, that is of the form c/dWhole numbers are rational - put them over 1 to form a[n improper] fraction a/b, eg 5 = 5/1The sum of two rational numbers is rational.
Yes.
-9.6 is a negative, real, mixed number. It's the ratio of -96 to 10, so it's rational.