99,999,999 + (-4) is basically 99,999,999 - 4
99,999,999 - 4 = 99,999,995
Yeah that is correct so yeah you are right I don’t know any more information that I could give you but I’m pretty sure you just said it right so yeah
20 and 0 = largest sum of squares
10 and 10 = smallest
0 and 5 can be in the one's place of a number that has 5 as a factor.