+0  
 
-2
55
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avatar+269 

How many 7 digit numbers have no repeating digits and 8 and 9 are not adjacent. 

 

A person has 100 candies. He ate 5 candies on the first day. After that he ate at least one candy per day until the candies were all gone. How many ways can he eat the candies? (This answer can be an exponent.) 

 

--------Thanks! laugh

 Apr 2, 2020
 #1
avatar+1116 
+1

Answered question 2 here: https://web2.0calc.com/questions/help-appreciated_19

 Apr 2, 2020

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