how many integers are between -10 and 10

Question

Please tell me the answer to the ques

Answer 1

Just list them out then count them.  Do not count -10 or 10 since we want to know how many are between them.

 

-10  -9  -8  -7  -6  -5  -4  -3  -2  -1  0   1   2   3   4   5   6   7   8   9   10