Answer
$144$
Work Step by Step
There are 9 digits, 8 possibilities for the first and 2 possibilities for the second number, so by using the fundamental counting rule we can get the number of possibilities: $8×2×9=144$.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 4 - Probability - 4-6 Counting - Page 183: 36
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