radomes.openskiesproject.org
BeautifulNightmare BeautifulNightmare
  • 30-11-2015
  • Mathematics
Answered

How many ways can 3 books be placed on a shelf if chosen from a selection of 7 different books?

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 30-11-2015

so at first, you have 7 choices since none of them have been chosen
when you pick the second book, you now have 6 choices
when you pick the third book, you now have 5 choices

so the answer is 7 times 6 times 5 choices=210 choices

Answer Link

Related Questions

Between 1984 and 1991 Columbia University Biosphere 2 Center was built in Oracle Arizona at a cost of over 200 million Nelson et al 1993 Cohen and Tilman 1996 s
Which of the following represents the difference between a number and eight is twentytwo
What happens to lipids when they are placed in water
Patrick has a 1000 bond with 6 coupon How much interest will Patrick receive for this bond every 6 months
unlike identical twins fraternal twins A are produced from two identical embryos B result from two eggs fertilized by different sperms C result from the same fe
Identify the coefficient of 17xy3z12 A 3 B 1 C 17 D 12
Which word means an excess or an overabudance in supply
Frankenstein question Refer to attached picture
Select the correct difference 5d 2 4d 3 less 3d 2 2d 4 2d2 2d 1 2d2 6d 7 2d2 6d 7 2d2 6d 1
According to collision theory what must particles have in order to react when they collide