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what does ! mean in maths?

 

eg. 7! =5040

thanks!

 Apr 26, 2018
 #1
avatar+5259 
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The "!" in math means that it's factorial.

 

For example, 7! is the same as 7*6*5*4*3*2*1, which equals 5040.

 Apr 26, 2018
 #2
avatar+4286 
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Yes, it means factorial.  So, let's say the question is asking 7!, or 8!=

So, 7*6*5*....*1smileysmiley

 Apr 26, 2018

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