The freshman class has 160 students. Each freshman must write 3 reports from a list of 10 novels that the teacher has assigned them to read. How many different combinations of novels can a freshman student choose to write reports on?

could someone show me the steps?

Question

The freshman class has 160 students. Each freshman must write 3 reports from a list of 10 novels that the teacher has assigned them to read. How many different combinations of novels can a freshman student choose to write reports on?

could someone show me the steps?

lgbasallote · Answer

haha nice. the questions are getting harder

lgbasallote · Answer

anyway...i dont think the 160 student matters...so just do a combo on 10C3

anonymous · Answer

ya i think thats why its hard for me to get those.. ;;;

anonymous · Answer

so i need HELP! :P

anonymous · Answer

ok so

anonymous · Answer

er, what @Igbasallote said: 10C3

lgbasallote · Answer

160 doesnt matter here right @apple_pi ?

anonymous · Answer

I can't see how, but its probably there because its important, or maybe not

anonymous · Answer

120???

anonymous · Answer

wait.. is the equation

anonymous · Answer

10
-
3!(10-3)!?

lgbasallote · Answer

yep

lgbasallote · Answer

wait...the numerator is 10!

anonymous · Answer

you do realise there is a button for it?

lgbasallote · Answer

im still thinking about that 160 =_= i know it's 10C3....but that 160 makes me doubt myself...

lgbasallote · Answer

it says a class has 160  students...but the question is just about one student...so i really think it's just 10C3

anonymous · Answer

could you type in the equation? i'm not sure if mjines right??

lgbasallote · Answer

$$10C3 = \frac{10!}{3!(10-3)!}$$

lgbasallote · Answer

i told you your equation was right except for 10 to be 10!

anonymous · Answer

i got 120 again!

lgbasallote · Answer

that's right