If there are 9 people and only 4 chairs are available , which of the following is the correct illustration of how many ways can they be seated? О 9х8х7хб О 9х4 О 4х9 O 9x8x7x6x5x4x3x2x1
If there are 9 people and only 4 chairs are available , which of the following is the correct illustration of how many ways can they be seated? О 9х8х7хб О 9х4 О 4х9 O 9x8x7x6x5x4x3x2x1
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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Transcribed Image Text:If there are 9 people and only 4 chairs are available , which of the following
is the correct illustration of how many ways can they be seated?
9x8х7x6
О 9х4
O 4x 9
9x8x7x6x5x4x3x2x1
A family has 4 children. How many possible genders of the children ?
O 4
O 16
О 32
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