99
-97
99*99=9801
3 times 33
Do you mean:"What three consecutive numbers add up to 99?" If you do, then the numbers are 32, 33, 34.
119
99
99
99
-97
-97
20%=.2 Multiply 99 by .2 99*.2= 19.8
The prime factorization of 99 is: 3 * 3 * 11 = 99
396
There are infinite numbers, but 11* 9 is fine.
99*99=9801
99 and -99