In how many different ways can you arrange 3 chemistry books, 5 physies books, and 5 biology books on a shelf if the books of the same subject are considered to be identical and the chemistry books must always be togethen Select one: O 72072 none of these 2772 210 1260

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 54SE: How many unique ways can a string of Christmas lights be arranged from 9 red, 10 green, 6 white, and...
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plz solve these two i need answere only 

In how many different ways can you arrange 3 chemistry books, 5 physies books, and 5 biology books on a shelf if the books of the same subject are considered to be identical and the chemistry books must always be together?
Select one:
72072
none of these
2772
210
1260
Transcribed Image Text:In how many different ways can you arrange 3 chemistry books, 5 physies books, and 5 biology books on a shelf if the books of the same subject are considered to be identical and the chemistry books must always be together? Select one: 72072 none of these 2772 210 1260
Given S = {1,2,3}, how many different relations exist on the set S?
Select one:
512
81
64
none of these
9
Transcribed Image Text:Given S = {1,2,3}, how many different relations exist on the set S? Select one: 512 81 64 none of these 9
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