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Find the value of the expression. 7! ÷ 3! 5,040 5,034 840 24
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Find the value of the expression. 7! ÷ 3! 5,040 5,034 840 24

User Viseshini Reddy
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1 Answer

1 vote
First, let's review what the "factorial operator" ! means.

5! = 5*4*3*2*1.

3! = 3*2*1

7! = 7*6*5*4*3*2*1

Then:

7! 7*6*5*4*3*2*1 7*6*5*4 5040
----- = ----------------------- = ------------- = ----------- = 5040 (answer)
3! 3*2*1 1 1


User Rjohnston
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