dancer1804 dancer1804
  • 22-04-2018
  • Mathematics
contestada

How many different ways can a director select 4 actors from a group of 20 actors?

Respuesta :

Аноним Аноним
  • 22-04-2018
Number of ways = 20C4
Number of ways =  (20 x 19 x 18 x 17) ÷ (4 x 3 x 2 x 1)
Number of ways =  116280  ÷ 24 
Number of ways =  4845.

Answer: 4845
Answer Link

Otras preguntas

1 5/8 + 2 1/3i need help solving this equation.
What moment affected Brad Ferren so much that he realized art and technology coincide; and what, specifically, did he notice? How is the domed ceiling of the Pa
The half-life for the second-order decomposition of hi is 15.4 s when the initial concentration of hi is 0.67 m. what is the rate constant for this reaction? a.
The three domains of life described by biologists today include the bacteria, the archaea, and the eukarya (all other forms of life). what is the basic differen
Need help with number 2 please. Show your work.
Please help me answer the first question! It would help me out a lot!!!!
It took Alice 6 5/6 hours to drive to her grandparents' house for Thanksgiving. On the way home, she ran into traffic and it took her 8 2/9 hours. How much
The radius of Earth is 6,378.1 km, which is 3,938.1 km greater than the radius of Mercury. Find the radius of Mercury. The radius of Mercury is (blank) km.
Please help!!! And use the Pythagorean Theorem.
A big department store employs a total of 180 people. of these 180 people, 27 are managers, 100 are floor assistants, and the rest are helpers. if we choose an