Asked by ariana
a lock has a code of 5 numbers between 1 and 20 . If no numbers in the code are allowed to repeat, how many different codes could be made?
so is the answer
of 20C5
then 15,504?
so is the answer
of 20C5
then 15,504?
Answers
Answered by
R_scott
no ... the earlier posting was corrected
Answered by
ariana
Scott, please just explain in baby words..(give me this answer) and I can figure out the other 9 questions.
This blended school learning is not for me....
thanks a million
my parents have no clue either
really stuck
This blended school learning is not for me....
thanks a million
my parents have no clue either
really stuck
Answered by
ariana
i got it!
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