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√ 5 is an irrational number. Any square root of a Prime number is irrational.
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Is 5 arational number?
5 is a rational number and it is also a prime number
Is -10 arational number?
Yes -10 is a rational number
When you multiply a radical number with another radical number do the radical signs cancel each other out?
Not necessarily. If it is the same radical number, then the signs cancel out. Radical 5 times radical 5 equals 5. But if they are different, then you multiply the numbers and leave them under the radical sign. Example: radical 5 * radical 6 = radical 30
What is the meaning of the operation with radical expressions?
A radical number is a number with a decimal. so a radical expression would be like 5 raised to the 2.5 power.
When the product of two irrational numbers equals a rational number what are the two factors called?
If the product of two irrationals is a rational, then they are both the same radical of a non-perfect square. For example, radical 5 times radical 5 is 5, since that is by definiton what a radical is.
