D Question 5 10 pts How many 5 permutations of a set with nine elements are there Question 6 10 pts A combination lock has a password that is three numbers between 0 and 99. Assuming the same number can't be used more than once in a password, how many potential passwords are thene O 100/3 10013970 O 100/97 Question 7 10 pts A coin Is ripped six times. producing ether heads or tals ow may possible outcomes contain Evo or fewer headh? 0?? Question 8 10 pts How many bit strings of length 10 contain an equal mumber of Os and 1s? lors, O 210 DQuestion 9 10 pts How many ways are there to select five countries in the United Nations to serve on a councl if two are selocted from a block of 20 countries, and four are selected from a block of 40 countries? 208821 40135 4 DQuestion 10 10 pts How many bit strings of length 10 contain exactly four 1s? 02% 1018