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?
1 answer:
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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The answer for this question is 80
When you distribute, it would be 6x - 21 + 5
-21 + 5 = -16
this means the answer would be left as 6x - 16
C but confirm it with your teacher
The answer to how many batches is 9, hope this helped.
