SOLUTION: Suppose a “combination” lock has the numbers 0 to 39 on it. In order to open the lock, a person must dial the correct three number sequence like 12 left, 24 right, 6 left.
1. H
Algebra.Com
Question 766583: Suppose a “combination” lock has the numbers 0 to 39 on it. In order to open the lock, a person must dial the correct three number sequence like 12 left, 24 right, 6 left.
1. How many different three-number sequences are possible assuming that numbers can be repeated?
2. How many different three-number sequences are possible if numbers may not be repeated?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Suppose a “combination” lock has the numbers 0 to 39 on it. In order to open the lock, a person must dial the correct three number sequence like 12 left, 24 right, 6 left.
1. How many different three-number sequences are possible assuming that numbers can be repeated?
40*40*40 = 64000
==================
2. How many different three-number sequences are possible if numbers may not be repeated?
40*39*38
RELATED QUESTIONS
Suppose a "combination" lock has the numbers 0 to 39 on it. In order to open the lock, a... (answered by greenestamps)
How many 3-number combinations might a student have to try in order to open a lock if the (answered by Edwin McCravy)
to open a combination lock, you must dial a 3-digit combination using the digits 0-39.... (answered by stanbon,Alan3354)
To open a combination lock, you turn the dial to the right and stop at a number, then you (answered by Theo)
Hi can someone help me solve this please? I got the first answer right on figuring out... (answered by ikleyn)
A combination dial lock has thirty numbers on it. If the combinations has three numbers... (answered by Alan3354)
The combination bike lock has four wheels, each of which has the numbers 0 through 13.... (answered by ikleyn)
A combination lock has the integers 1 through 20 on its dial. Opening the lock requires a (answered by math_tutor2020)
A lock has three dials with the digits 0-9. How many codes to open the lock are possible? (answered by Alan3354)