No.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
yes
Yes. The sum of two irrational numbers can be rational, or irrational.
It is always irrational.
Not necessarily. The sum of two irrational numbers can be rational or irrational.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
Irrational. Irrational. Irrational. Irrational.
It is irrational.
Rational
Such a sum is always irrational.
If it says "negative irrational", then obviously it is irrational.
No
The square root of 94 is an irrational number
yes
Yes. The sum of two irrational numbers can be rational, or irrational.
-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.
Irrational