10
It's either positive or negative depending on the number that is greater than the second number. Example subtract 10 from 20 the answer is 10. 20 as being the greater than 10. Another example subtract 5 from -10 the answer is -15. -10 as being the greater than 5. Take note when subtracting positive and negative integers you change the sign of the subtrahend.
10
No.
100.371 is greater.
It is 20% greater than 10
-20
20
20
-20, -19, -18, -17, -16
-0.45 is a negative number. 9/20 = 0.45 which is a positive number. Positive numbers are always greater than negative numbers, so -0.45 is less than 9/20.
No. 16 is 20 more than -4.