1. How many three-digit codes are possible if the first digit must be a 3? (Digits may be repeated.) A. 90 B. 33 C. 100 D. 99

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
1. How many three-digit codes are
possible if the first digit must be a 3?
(Digits may be repeated.)
A. 90
B. 33
C. 100
D. 99
Transcribed Image Text:1. How many three-digit codes are possible if the first digit must be a 3? (Digits may be repeated.) A. 90 B. 33 C. 100 D. 99
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON