multiplying by zero
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The operation that will always have the result in value of 1 for any nonzero number is Inverse Operation of Multipication.
You can multiply any number (including zero) by one without changing it. Similarly, you can raise any number (once again, including zero) to power one and it won't change.
The absolute value is always positive.
Yes. nonzero number: -4, -0.5, 5, pi, 30 absolute number: |-4| = 4 |-0.5| = 0.5 |5| = 5 |pi| = pi |30| = 30
The absolute value of a number equals the number itself if and only if the number is a positive real number (x >= 0 and does not include a nonzero imaginary component).