Answer: The answer is - 1.
Step-by-step explanation: We are given to find the value of the given expression

We know that 'i' is an imaginary unit and its value is √-1. So, we have

Therefore, the given expression becomes
.
Thus, the answer is - 1.
-80....each number is double the one before it
Start at -9. Then go up 5, right 3.
Answer:
teenagers who watch TV =2
teenagers wearing glasses =5
hence probability =2/5=0.4
now you prove how ur answer is 0.5