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-- Any decimal that ends is a rational number.
-- Any decimal that never ends may or may not be a rational number.
-- The decimal representation of an irrational number never ends.
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What are subsets of rational numbers?
There are an infinite number of subsets: All rationals other than 1 All rationals other than 2, etc All rationals other than 1.1 All rationals other than 2.1, etc, etc. All integers
Can you multiply two rationals?
yes
Similarity between real and rational numbers?
All rationals are real, so everything that is true of the reals is also true of the rationals, and vice versa.
Who invented the rationals numbers?
Venlo Mac Van
Is there a function that is continuous everywhere differentiable at rationals but not differentiable at irrationals?
No.
Is repeating decimals are sometimes rational numbers rationals?
YES
Is 39.81 repeating rational?
Yes it is. Repeating decimals are all repeating rationals.
How do you relate decimals and percents?
multiply the decimal by 100
Is 0.313131 a rational number?
Yes, it is a repeating decimal. Terminating and repeating decimals are rationals. Rational numbers can also be expressed as a fraction. 0.313131 is a repeating decimal.
What are subsets of rational numbers?
There are an infinite number of subsets: All rationals other than 1 All rationals other than 2, etc All rationals other than 1.1 All rationals other than 2.1, etc, etc. All integers
Can you multiply two rationals?
yes
Why do we use Z and Q to represent integers?
We use Q for Rationals... which is repreentative of Quocentia (Quotient), since rationals are RATIOs or fractions.
What is a set of rational numbers that begin at 0?
It could be the set denoted by Q- (the non-positive rationals) or Q+ (the non-negative rationals).
What is irrational and radicals?
what are irrational and radicals and rationals
Similarity between real and rational numbers?
All rationals are real, so everything that is true of the reals is also true of the rationals, and vice versa.
What is that numbers of rational?
The number of rationals is Aleph-null.
Who invented the rationals numbers?
Venlo Mac Van
