what is value 15c13

• (15!)/(13!*2!)=105
  
• 9 years agoHelpfull: Yes(8) No(0)
• 15*14/2=15*7=105
• 9 years agoHelpfull: Yes(3) No(0)
• 105
  ((15*14)13!)/(13!*2!)=(15*14)/(2*1)
  15*7=105
• 9 years agoHelpfull: Yes(2) No(0)
• 105
  15c(15-13)=15c2= 15*14/2=105
• 9 years agoHelpfull: Yes(1) No(0)
• 105
  
  15C13 = 1,307,674,368,000
  6,227,020,800 x 2
  
  15C13 = 15! 13!(15 - 13)!
  
  15C13 = 1,307,674,368,000
  12,454,041,600
  
  15C13 = 105 .
• 9 years agoHelpfull: Yes(1) No(0)