Well to solve these type of question it is very easy to make a tree diagram and then solve them. How ever i have done it here for you.
So basically we have to get a pen from the first box so its probability is 7 / 10.
Similarly, we have to get a crayon from the second box so its probability is 2 / 8.
Now by counting principle we can multiply the two probabilities so 7/10 * 1/4 which becomes equal to 7/40.
Answer:-1.38888888889
Step-by-step explanation:
The answer to this question is located on google
Answer:
2(2)+3(-3)=
4-9=
-5
Step-by-step explanation:
