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It is not always easy to tell if a number is irrational.
If a number can be expressed as a ratio of two integers, then it is rational. If not, it is irrational. So the expression is in the negation: a number than cannot be expressed as a ratio of two integers.
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Is 1.212112111... a rational number?
The answer depends on what the ellipsis represents.
what expression represents the greatest common factor of 20 and 70?
Whatever expression will lead you to the whole number 10.
Which expression represents four more than three times a number?
3n + 4
Which number produces an irrational number when multiplied by?
At least one of the factors has to be irrational.* An irrational number times ANY number (except zero) is irrational. * The product of two irrational numbers can be either rational or irrational.
Is 4.121314 is a rational number or irrational?
it is a rational number but 4.121314..... is an irrational no
Is .2020020002... a rational number or irrational number?
The answer depends on what the ellipsis represents. I suspect the answer is that it is irrational.
Is 1.212112111... a rational number?
The answer depends on what the ellipsis represents.
Write a numerical expression of the sum of two irrational numbers resulting in an irrational number?
sqrt(2) + sqrt(3) is irrational.
Is a rational number is a rational expression?
Any number that can be expressed as a fraction is a rational number otherwise it is an irrational number.
What is an expression that represents the quotient of a number and 7?
An expression that represents the quotient of a number and 7 can be written as "x/7" where x is the number. This expression signifies dividing the number x by 7. In algebraic terms, it represents a fraction where the numerator is the number being divided and the denominator is 7.
Which expression represents 3 less than four times a?
Let the number be x and so the expression is 4x -3
Is 5 over pi a rational or irrational number?
If you divide a rational number by an irrational number, or vice versa, you will ALMOST ALWAYS get an irrational result. The sole exception is if you divide zero (which is rational) by any irrational number.
What expression represents an unknown number increased by 10?
Let x be the unknown number. the expression is: x + 10.
When do you need to approximate an irrational number with a rational value?
If the simplified form of an expression contains an irrational number and a numerical evaluation is required then it is necessary to use a rational approximation.
What is a number or expression that represents the number of times the base is used as a factor?
An exponent.
Why is a single number an expression?
An "expression" is anything that can be calculated to get a number, in other words, anything that represents a number, so that includes the numbers themselves.
What is nonterminating and not repeating decimal?
It is an infinite non-repeating decimal which represents an irrational number.
