Three friends buy one pack of 80 stickers. they divide the stickers equally and give the remainder to their teacher. how many stickers will each friend get?

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.