Many colleges assign numerical points to grades as A4, B3, C2, D1, and F0. Find the grade point average for the following semester grade report. Course
Credits
Grade
Math
English
Physics
German
History

The grade point average is
nothing. (Round to the nearest hundredth.)

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

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?

Me with these questions , i don’t understand scientific notation!