when dividing subtract the powers
so you would do 6-2 = 4
so b = 4
Excluded values are -3, 0 and 8, so denominator will be:

Answer A.
Number of action figures each box contains = 198
Total number of boxes = 4
The product can be found as = 
hence, option 2 is the correct answer.
4 x (200 - 2) = 