Help please and thankyou.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297