Ninc cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6. n All nine cards are placed in a line, making a 9-digit number. Find how many different 9-digit numbers can be made in this way (a) if the cvcn digits arc all together, (b) if the first and last digits arc both odd.

Ninc cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6. n All nine cards are placed in a line, making a 9-digit number. Find how many different 9-digit numbers can be made in this way (a) if the cvcn digits arc all together, (b) if the first and last digits arc both odd.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

For both questions. The topic is permutation and combination

Ninc cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6.
n Al nine cards are placed in a line, making a 9-digit number. Find how many different 9-digit
numbers can be made in this way
(a) if the cven digits arc all together,
(b) if the first and last digits arc both odd.

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