A password contains six digits, such as 174668. How many different passwords can be formed
1 answer:
Answer: The number of different passwords can be formed = 1,000,000
Step-by-step explanation:
In general total digits = 10 [ from 0 to 9]
If a password contains 6 digits, then by fundamental principal of counting, the total number of different passwords =
Hence, the number of different passwords can be formed = 1,000,000
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Step-by-step explanation:
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In this case, you can identify that the altitude that goes from the vertex of the right angle () to the hypotenuse of the triangle, is:
Then, based on the Altitude Rule, you can set up the following proportion:
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Knowing this, you can set up the following proportions: