Answer:
wrong as his calculation was incorrect at initial level itself when he found the result of the division
Step-by-step explanation:
Andre said
3 ÷ 



but andre calculated it as



Hence his calculation was incorrect at initial level itself
Answer:
Possible committee structures = 293930
Step-by-step explanation:
The combination expression is used here
²¹C₉ = 21!/(9!(21−9)!) = 293930
3.10
I think, Im very sorry if this is wrong!
Honestly I don’t even know