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Mathematics, 04.06.2021 21:00 sarahbug56

Here are two methods to make a 4-digit code. Codes can have repeated digits. Method A for the first two digits use an even number between 29 and 100, for the last two digits use a multiple of 11. Method B use 4 digits in the order odd even odd even, do not use the digit zero. How many more codes can be made with method B than with method A?

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Here are two methods to make a 4-digit code. Codes can have repeated digits. Method A for the first...

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