ac8954 ac8954
  • 25-06-2021
  • Mathematics
contestada

Can someone help me? It's urgent and thank you!

Can someone help me Its urgent and thank you class=

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 30-06-2021

Answer:

380 ways

Step-by-step explanation:

Here, we want to use permutations to know the number of ways

mathematically, we have the general formula as;

nPr = n!/(n-r)!

In this case, we have 20 P 2

= 20!/(20-2)! = 20!/18! = 380

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