A group consists of 10 kids and 2 adults. On a hike, they must form a line with an adult at the front and an adult at the back. How many ways are there to form the line? O 2-11! O 12! O 2-10!
A group consists of 10 kids and 2 adults. On a hike, they must form a line with an adult at the front and an adult at the back. How many ways are there to form the line? O 2-11! O 12! O 2-10!
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![A group consists of 10 kids and 2 adults. On a hike, they must form a line with an adult at the front and an adult at
the back. How many ways are there to form the line?
O 2 11!
O 12!
O 2-10!
O 12!](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1a7c81ae-3d8b-4543-8bf3-f54e27cb18cc%2F0f46fe22-4a4c-477a-ab69-dd6b9ac773df%2F36iwr2r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A group consists of 10 kids and 2 adults. On a hike, they must form a line with an adult at the front and an adult at
the back. How many ways are there to form the line?
O 2 11!
O 12!
O 2-10!
O 12!
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