9 inches
18 inches is half a yard
9 inches is half of that
Hope this helps
(9 x 10 ^(-5)) - (3 x 10^(-16))
Your subtracting to find the difference in size
9 x 10^(-5)
Try this solution:
1. for probability of both televisions work:

2. for probability of at least on is defective (it means, the sum = one is defective and two are defective):
- for P(1defective);
- for P(2defective);
totaly for at least one is defective:

Answer:

Step-by-step explanation:
There are no fractions I am assuming the fraction is 88/25 which would be 88/5^2