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Katen [24]
3 years ago
10

The access code for a​ car's security system consists of sixsix digits. the first digit cannot be zerozero and the last digit mu

st be oddodd. how many different codes are​ available?
Mathematics
1 answer:
shutvik [7]3 years ago
7 0
There are six digits. The first can be anything but 0. There are 9 other choices.
 Are repetitions allowed? Is 999999 permitted.

Repetitions allowed.
9 * 10 * 10 * 10 * 10 * 5 The last digit must be odd.
450,000 <<<< answer.

No repetitions 
Sorry this requires more thought.
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Answer:

see below

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(y+2x²)/x²y * xy²/(5y²-6x)

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