(a) How many strings of five hexadecimal digits do not have any repeated digits?

(b) How many strings of five hexadecimal digits have at least one repeated digit?

(c) What is the probability that a randomly chosen string of five hexadecimal digits has at least one repeated digit? (Round your answer to the nearest tenth of a percent.)

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

answer: c. is your answer

step-by-step explanation: get me a black leather coat

step-by-step explanation:

im not sure what the answer is