anonymous
  • anonymous
1) How many ways can six books be arranged on one shelf? a) 21 b) 120 c) 360 d) 720 2)There are eight girls competing in an ice-skating competition. In how many ways can they finish in first, second, and third place? a) 336 b) 1,680 c) 2,016 d) 40,320 3)How many ways can a president and vice president be selected from a class of 12? a) 23 b) 72 c) 132 d) 1,320 4)How many ways can seven students line up for a class picture? a) 5,040 b) 210 c) 28 d) 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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kropot72
  • kropot72
1) 6!
anonymous
  • anonymous
all of these use the counting principle if there are n ways to do one thing and m ways to do another, there are \(n\times m\) ways to do them together
anonymous
  • anonymous
There are eight girls competing in an ice-skating competition. In how many ways can they finish in first, second, and third place? 8 choices for first 7 choices for second (since first is now taken) 6 choices for third counting principle says it is \(8\times 7\times 6\)

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anonymous
  • anonymous
is the first one 720?
anonymous
  • anonymous
yes
kropot72
  • kropot72
Yes. The correct choice for 1) is 720.
anonymous
  • anonymous
are u a connections academy student @heyheyheyhelpme123 cuz i had the same question on a test
anonymous
  • anonymous
yes but this is a quick check not a test
anonymous
  • anonymous
I did this like 2 months ago. 7 grade?
anonymous
  • anonymous
ya
anonymous
  • anonymous
can you help?
anonymous
  • anonymous
sure
anonymous
  • anonymous
one sec
anonymous
  • anonymous
ok thank you:)
anonymous
  • anonymous
1.d 2.a 3.c 4.a Is your teacher Ms. Tashjian?
anonymous
  • anonymous
no kym van dyken

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