Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius of 3·10^2 centimeters. what is the volume of air in the spherical ball? use the formula

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

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

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?