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

Question

Katen [24]

4 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] · Answer 1 · 2022-02-19T12:13:21+03:00

shutvik [7]4 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.

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

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