There are 40 entries in the science Fair how many ways can they finish in first second and 3rd place. A. 240

b. 1,480

c. 12,640

d. 59,280

Question

Mathematics

Ace

11 November, 23:32

There are 40 entries in the science Fair how many ways can they finish in first second and 3rd place. A. 240

b. 1,480

c. 12,640

d. 59,280

+2

Answers (1)

Know the Answer?

Jack Fitzpatrick · Answer 1

This is an example for the variations without the repetition.

V m, n = n * (n - 1) * (n - 2) ... (n - m + 1)

In this case: m = 3, n = 40

V 3, 40 = 40 * 39 * 38 = 59,280 ways.

Answer:

d. 59,280

There are 40 entries in the science Fair how many ways can they finish in first second and 3rd place. A. 240b. 1,480c. 12,640d. 59,280

There are 40 entries in the science Fair how many ways can they finish in first second and 3rd place. A. 240

b. 1,480

c. 12,640

d. 59,280