Answer
a) 8 numbers can be chosen for the first digit.
b) 8,000,000 possible combinations
Work Step by Step
a) 2, 3, 4, 5, 6, 7, 8, and 9 can be chosen as the first digit.
b) 8*10*10*10*10*10*10 = 8*100*100*100 = 8,000,000
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 12 - Data Analysis and Probability - 12-6 Permutations and Combinations - Practice and Problem-Solving Exercises - Page 754: 11
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