Juan is spinning a wheel with 4 unequal spaces marked with values of $200, $300, $400, and $600. the probability of landing on $200 is 2/9 . the probability of landing on $300 is 4/9 . the probability of landing on $400 is 2/9. the probability of landing on $600 is 1/9 . the expected value of spinning the wheel once is $, and the expected value of spinning the wheel three times is