You have the choice of 9 digits, since 0 is not used.
Two of those are already gone, so .....
(I must be 100% sure of your answer)
PLEASE HELP!
A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 9 and 8. What is the probability that the third digit is 7?
A. 1/9
B. 1/3
C. 1/8
D. 1/7
I think B or D but if i choose i would go with D
1 answer
1 answer