0
Yes. Any number that you can write down on paper with digits, and then show
it to somebody and say "There it is, that's it, that's the complete number." is a
rational number.
5.4 is the ratio of 54 to 10, and can be written as 54/10, so it satisfies the
definition of rational numbers.
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5.4 Outline
Introduction
definition of a rational number
numerator
denominator
classification
proper fraction
improper fraction
whole number
Fundamental property
Operations with rationals
addition
subtraction
multiplication
division
5.4 Essential Ideas
This section, which may be review, is concerned with the rational numbers (fractions) and operations with rational numbers. You must remember the definition of a rational number, the fundamental property of fractions (how to reduce a rational number):
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Is 3.456 a rational or irrational number?
It is a rational number. It can be written as a fraction.
Is 0.74 a rational or irrational number?
It is a rational number, as it can be written as a fraction.
Is a Rational number plus rational number equals rational number?
Yes, the sum is always rational.
Is 10.01 a rational or irrational number?
10.01 is a rational number
Is 9.0 rational or irrational?
Since it can be written as a fraction (9.0 = 90/10), then it 9.0 is a rational number.
Is 54 a irrational or a rational number?
It is rational.
Is the square root of 54 a rational number?
No.
Is 54 over 7 a rational number?
Yes.
Is -54 a rational or irrational?
rational. Just remember that a rational number is one that may be formed from a ratio. e.g. -108/2.
Is the square of negative 54 rational'?
No, nor is it a real number. The square root of minus 54 is equal to the square root of plus 45, times i.
Is the square root of 54 rational?
No.
Can 54 be made into a fraction?
54 is an integer and not a fraction. However, it can be expressed in rational form as 54/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
Is 3.456 a rational or irrational number?
It is a rational number. It can be written as a fraction.
Is the product of a rational number and a rational number a rational number?
yes
Is 17.02 a rational number?
Is 12.05 a rational number or irrational number?
Is 1.96 a rational number or an irrational number?
1.96 is a rational number
Is 0.74 a rational or irrational number?
It is a rational number, as it can be written as a fraction.
