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How many strings of length 12 of uppercase letters contain exactly three vowels? Note: vowels and consonants may be repeated. Two examples are AACECCFGFJKF and QSUVBNCOXZTE 2612-219-53 12! (C(5, 3) x C(21, 9)) OC(12, 3) x 35 x 921 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 53 × 21⁹ OC(5, 3) x C(21, 9) × P(12, 12) - -

How many strings of length 12 of uppercase letters contain exactly three vowels? Note: vowels and consonants may be repeated. Two examples are AACECCFGFJKF and QSUVBNCOXZTE 2612-219-53 12! (C(5, 3) x C(21, 9)) OC(12, 3) x 35 x 921 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 53 × 21⁹ OC(5, 3) x C(21, 9) × P(12, 12) - -

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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How many strings of length 12 of uppercase letters contain exactly three vowels? Note: vowels and consonants may be repeated. Two examples are AACECCFGFJKF and QSUVBNCOXZTE 2612-219-53 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 35 x 921 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 53 × 21⁹ OC(5, 3) x C(21, 9) × P(12, 12) - -
Transcribed Image Text:How many strings of length 12 of uppercase letters contain exactly three vowels? Note: vowels and consonants may be repeated. Two examples are AACECCFGFJKF and QSUVBNCOXZTE 2612-219-53 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 35 x 921 O12! (C(5, 3) × C(21, 9)) OC(12, 3) x 53 × 21⁹ OC(5, 3) x C(21, 9) × P(12, 12) - -
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