I NEED HELP GUYS PLEASE AP STATISTICS

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

What is the number 321,000,000 in scientific notation? also what is the number? ?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out