+0  
 
+1
1420
2
avatar

what does ! mean in maths?

 

eg. 7! =5040

thanks!

 Apr 26, 2018
 #1
avatar+5265 
+2

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+4609 
+1

Yes, it means factorial.  So, let's say the question is asking 7!, or 8!=

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

 Apr 26, 2018

0 Online Users