0+9=9
1*9=9
0 plus any number equals that number. 1 multiplied by any number equals that number
20*282= 5640
10680-5640=5040
50-20=30
5040 dividend by 30= 168
Answer: 168
There are a lot of other step that will be in between but the answer will end up being.....
Answer: Log (a^2c/ b^3 d^4)