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20 * 19 * 18 * 17 = 116,280 ways

This is Permutation: nPr = n! / (n-r)!

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Q: There are 20 students participating in a math bee How many ways can the students be chosen to go first second third and fourth?
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How many different ways can 4 students be chosen to serve on a committee from a group of 30 students?

One must first consider the number of ordered ways that 4 students may be chosen, and then divide that by the number of ways the four may have been ordered to create a number of distinct groups. For the orders, there are 30 choices for the first, 29 for the second, 28 for the third, and 27 for the fourth. However, there are a 4 ways within the four to pick the first, 3 ways for the second, 2 for the third, and 1 left for the fourth. The answer may be expressed by the following: 30 x 29 x 28 x 27 ______________ 1 x 2 x 3 x 4 which evaluates to 27,405 committees.


Is the second and the fourth finger has the same length?

Yes, the second and the fourth finger are the same length.


How many ways can a committee of 3 students be chosen from a total count of 1514 students?

The first member chosen can be any one of 1,514 students.The second member chosen can be any one of the remaining 1,513 students.The third member chosen can be any one of the remaining 1,512 students.So there are (1,514 x 1,513 x 1,512) ways to choose three students.But for every group of three, there are (3 x 2 x 1) = 6 different orders in which the same 3 can be chosen.So the number of `distinct, unique committees of 3 students is(1514 x 1513 x 1512) / 6 = 577,251,864


How many ways can you line up 4 students out of a class of 20?

-- The first place can be any one of 20 students. For each of these, -- the second place can be any one of the remaining 19 students. For each of these, -- the third place can be any one of the remaining 18 students. For each of these, -- the fourth place can be any one of the remaining 17 students. So the four places can be assigned in any one of (20 x 19 x 18 x 17) = 116,280 ways.


How many ways can a committee of three be chosen from a total amount of 4463 students?

The first member chosen can be any one of 4,463 students.The second member chosen can be any one of the remaining 4,462 students.The third member chosen can be any one of the remaining 4,461 students.So there are (4,463 x 4,462 x 4,461) ways to choose three students.But for every group of three, there are (3 x 2 x 1) = 6 different orders in which the same 3 can be chosen.So the number of `distinct, unique committees of 3 students is(4463 x 4462 x 4461) / 6 = 14,805,989,111

Related questions

How many different ways can 4 students be chosen to serve on a committee from a group of 30 students?

One must first consider the number of ordered ways that 4 students may be chosen, and then divide that by the number of ways the four may have been ordered to create a number of distinct groups. For the orders, there are 30 choices for the first, 29 for the second, 28 for the third, and 27 for the fourth. However, there are a 4 ways within the four to pick the first, 3 ways for the second, 2 for the third, and 1 left for the fourth. The answer may be expressed by the following: 30 x 29 x 28 x 27 ______________ 1 x 2 x 3 x 4 which evaluates to 27,405 committees.


If You are participating in a race and you over take the person who is second what position are you in?

Second place


You are participating in a race You overtake the second person What position are you in?

2nd


What word does not belong first second third fourth fifth?

fourth


Is the second and the fourth finger has the same length?

Yes, the second and the fourth finger are the same length.


What people are considered sophomores?

Sophomores are second-year students in either high school or college. Freshman is the first-year label, sophomore is the second, junior is the third, and senior is the fourth. This is assuming you are attending for four years.


What is the second letter word meaning one fourth?

One fourth is a quarter. The second letter of quarter is 'u'


What comes before second?

First, second, third, fourth.....


What is the second letter of one fourth?

Quarter is one word for "one fourth," and the letter "u" is the second letter in "quater." "n" is the second letter in "one." "o" is the second letter in "fourth." By the way, the three letters make up the word "uno."


How many ways can a committee of 3 students be chosen from a total count of 1514 students?

The first member chosen can be any one of 1,514 students.The second member chosen can be any one of the remaining 1,513 students.The third member chosen can be any one of the remaining 1,512 students.So there are (1,514 x 1,513 x 1,512) ways to choose three students.But for every group of three, there are (3 x 2 x 1) = 6 different orders in which the same 3 can be chosen.So the number of `distinct, unique committees of 3 students is(1514 x 1513 x 1512) / 6 = 577,251,864


What is speech fest?

Speech fest is a public speaking competition for elementary students. Students will be marked on the writing, presentation of their speeches. Students write speeches about topics that are appropriate for their age. Students will first be judged by their teachers, some speakers will move on to the second round where they will will present their speech to their grade, exceptional speakers will then present to their whole school and get judged by principals and school board officials. If you are participating in Speech Fest this year: GOOD LUCK!


Is Spain the second third fourth or fifth country in Europe?

second