+0  
 
0
48
2
avatar+60 

20! has 19 digits, the last 18 of which are 432902008176640000.  What is the first digit?

 Oct 3, 2020
 #1
avatar+188 
0

20! is 2432902008176640000

 

The first digit of 20! is 2

 

Yay!

 Oct 3, 2020
 #2
avatar
0

Good job! I also got the 1st digit of 20! is 2.

 Oct 3, 2020

13 Online Users

avatar
avatar
avatar