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A rational number is always the result of dividing an integer when the divisor is nonzero.
Yes.
The operation that will always have the result in value of 1 for any nonzero number is Inverse Operation of Multipication.
Actually the product of a nonzero rational number and another rational number will always be rational.The product of a nonzero rational number and an IRrational number will always be irrational. (You have to include the "nonzero" caveat because zero times an irrational number is zero, which is rational)
No.
== == The fact is - any nonzero number raised to 0 is always 1. the reason is: suppose a is nonzero. Then by the quotient rule of indices, am/an = am - n Taking m = n we come up with am - m = am/am , which is 1 in view of a nonzero.
All nonzero numbers are significant.
It is always 1
Yes, always.
Yes, always.
Yes, it is.