A girl has to make pizza with different toppings. There are 8 different toppings. In how many ways can she make pizzas with 2 different toppings?  Choose the correct choice:	A) 16	B) 56	C) 112	D) 28	E) 38
In 8 different toppings, selecting 2 diff toppings = 8c2   formula is n!/(n-c)!   n = total number of toppings   C = number chosen in a grouping.   n=8 and c=2 so we get   8!/(8-2)! = (8*7*6*5*4*3*2*1)/(6*5*4*3*2*1)   = 8*7= 
<gadget id="calculator">8*7</gadget>
<output>56</output>
56   ANSWER:56
<result>B</result>
A girl has to make pizza with different toppings. There are 8 different toppings. In how many ways can she make pizzas with 2 different toppings?