To solve these equations, you should understand that multiplication simple means adding a number (the multiplicand) to itself a specified number of times. For example 3 x 2, means adding 3 to itself 2times "3+3 = 6" , another example 5 x 3, means adding 5 to itself 3times "5+5+5 = 15"
Probably a for plot, because It shows how close each value is, or if the values are all scattered around. it gives you a more accurate ways of seeing how close the data is. hope this helped
