SOLUTION: Panel has a combination lock. Patel has to set each part of the lock to a digit between 0 and 9 inclusive. One possible way to do this is 0, 8, 0, 7.
(a) How many different ways
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-> SOLUTION: Panel has a combination lock. Patel has to set each part of the lock to a digit between 0 and 9 inclusive. One possible way to do this is 0, 8, 0, 7.
(a) How many different ways
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Question 1125008: Panel has a combination lock. Patel has to set each part of the lock to a digit between 0 and 9 inclusive. One possible way to do this is 0, 8, 0, 7.
(a) How many different ways can Pavel do this?
Pavel decides that the 1st and 3rd digits will be odd numbers and the 2nd and 4th digits will be even.
(b) How many different ways are possible now? Answer by math_helper(2461) (Show Source):