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a lock has a code

A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability that the
1. 1 answer
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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
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2. asked by ariana
3. 2,121 views
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
1. 3 answers
2. asked by ariana
3. 503 views
1. A vertical seawater lock is 4m wide and 2m high. The water level is 2 m above the base of the lock on one side, there being
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2. asked by sam
3. 612 views
A lock has a code of 3 numbers between 1 and 15. If no numbers in the code are allowed to repeat, how many different codes could
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2. asked by sean
3. 1,826 views
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
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2. asked by joseph
3. 474 views
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
1. 5 answers
2. asked by ariana
3. 511 views
A lock has a code of 4 numbers from 1 to 10. If no numbers in the code are allowed to repeat, how many different codes could be
1. 1 answer
2. asked by .
3. 149 views
The ________ key must active before you can use the numeric keypad to :A, caps lock B. num lock C. scroll lock D. tab I got B
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2. asked by Ciara
3. 541 views
A lock has a 3-number code made up of 25 numbers. If none of the numbers are allowed to repeat, how many different ways can you
1. 1 answer
2. 75 views