0
Still curious? Ask our experts.
Chat with our AI personalities
Judy
Ross
RafaAdd your answer:
Earn +20 pts
Is the product of three rational numbers rational or irrational?
A rational number in essence is any number that can be expressed as a fraction of integers (i.e. repeating decimal). Taking the product of any number of rational numbers will always yield another rational number.
Is the product of three irrational numbers always an irrational number?
No. The easiest counter-example to show that the product of two irrational numbers can be a rational number is that the product of √2 and √2 is 2. Likewise, the cube root of 2 is also an irrational number, but the product of 3√2, 3√2 and 3√2 is 2.
Is 1.43 an irrational or rational number?
The number 1.43 can be expressed as a fraction - as 1 43/100 or one and forty-three hundredths. Therefore, it is rational.
What is an unknown number x is less than 3 and greater than -1?
4
Every natural number is an irrational number?
Close. But to make that statement correct, three letters must be deleted:Every natural number is a[n ir]rational number.
