You factor a polynomial and find its factors are (x-1)(x-2)(x+3). What are the zeros or solutions to this polynomial? How many times does its graph cross the x axis?

A. 1, 2, -3 3 times
B. -1, -2, 3 4 times
C. 1,2, - 3 5 times

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?