Answer:
be “well-defined” the collection description would have to settle all such questions. ... All these questions indicate the statement is ambiguous, i.e., it is not clear which students are members of this collection, hence, the collection is not well-defined.
Answer:
√-16=4√-1=4i
4i is an imaginary number and a complex number.
It's 10 - 4
moving decimal over to the right makes a negative exponent.
