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When evaluated which expression has a result that is a rational number?

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Updated: 9/26/2023

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Q: When evaluated which expression has a result that is a rational number?

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When evaluated using rational values for the variables will result in an a rational number?

Not necessarily. The value of 3 (rational) raised to the power 1/2 (rational) is not rational.

What is the result of an irrational number times an rational number?

Unless the rational number is zero, the answer is irrational.

What is the classification of the product of a rational and an irrational number?

If you multiply a rational and an irrational number, the result will be irrational.

What happens when you add two rational numbers?

The result will also be a rational number.

Why are rational numbers closed in subtraction?

Because when one rational number is subtracted from another rational number the result is a rational number. Don't forget that integers (ℤ) are a subset of rational numbers (ℚ).

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When evaluated using rational values for the variables will result in an a rational number?

Not necessarily. The value of 3 (rational) raised to the power 1/2 (rational) is not rational.

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The conditional operator in C (and C++, C# and other languages) consists of two symbols, '?' and ':'. Together, they can be used to form an expression from three subexpressions:e1 ? e2 : e3The conditional operator is evaluated in two steps; first, the expression e1 is evaluated, if it has a true value, then e2 is evaluated and its value is returned as the result of the entire expression, otherwise (if e1 is false) e3 is evaluated and its value is returned as the result of the entire expression.

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.

When is it possible for the product of a rational and an irrational number to result in a rational value?

When the rational number is 0.

What mean php expression?

PHP is a programming language. An "expression" is anything that can be evaluated (calculated) to get (among other things) a number. For example, numbers themselves; variables that represent numbers; calculations that result in a number (additions, subtractions, etc.), are all numeric expressions.

Can you add irrational number and a rational to get a rational number?

If an irrational number is added to, (or multiplied by) a rational number, the result will always be an irrational number.

What is the result of an irrational number times an rational number?

Unless the rational number is zero, the answer is irrational.

What is the classification of the product of a rational and an irrational number?

If you multiply a rational and an irrational number, the result will be irrational.

What happens when you add two rational numbers?

The result will also be a rational number.

When an irrational number is divided by a rational number is the result rational or irrational?

It is irrational - unless the divisor is 0 in which case the division is not defined.

Why are rational numbers closed in subtraction?

Because when one rational number is subtracted from another rational number the result is a rational number. Don't forget that integers (ℤ) are a subset of rational numbers (ℚ).

What is the combination of rational numbers and irrational?

It the combination is multiplication and the rational number is 0, then the result is rational. Otherwise it is irrational.

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