9+4 = 13 total balls
1st pick would be 9/13 probability of picking yellow
2nd pick would be 4/13 probability
3rd pick would be 4/13 probability
total probability : 9/13 * 4/13 * 4/13 = 144/2197
Answer:
60 + 2 + 0.8 +0.03 +0.007
Step-by-step explanation:
Add these up and yo get the same number: 62.837.
If your question is what the value of the number you started with the answer would be 30. to find it you add 48 to -18 and you get 30.