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Can an absolute value be zero?
The absolute value of zero is zero. The absolute value of any other real number - or even of any other complex number - is different from zero.
Is measure of the real numbers is zero?
Not sure what you're asking, but being the question is in Complex Numbers category, it could be this:If the real part of a complex number is zero, then it is a pure imaginary number.
Is every complex number a pure imaginary number?
No. For example the number 1+i. Pure imaginary complex numbers are of the form 0 + a*i, where a is a non-zero real number.
Is 3 a complex number?
Yes. All real numbers are considered complex numbers, with the imaginary part being equal to zero.
What best describes an imaginary number?
You can describe it as a number defined such that i squared = -1.You can also define the complex plane first, and then describe an imaginary number as a complex number in which the real part is zero.
