Daniellelovee
  • Daniellelovee
A quiz consists of 3 true-or-false questions and 2 multiple choice questions. The multiple choice questions have 4 options each. How many ways can a student complete the quiz?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Daniellelovee
  • Daniellelovee
@triciaal
triciaal
  • triciaal
|dw:1444276306428:dw||dw:1444276584526:dw|
Daniellelovee
  • Daniellelovee
ok I got lost

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More answers

Daniellelovee
  • Daniellelovee
wait i got it
Daniellelovee
  • Daniellelovee
is it 128?
Daniellelovee
  • Daniellelovee
based on what you put there I also multiplied 4^2
Daniellelovee
  • Daniellelovee
is that it?
triciaal
  • triciaal
why?
Daniellelovee
  • Daniellelovee
well you put 2^3 for the true or false which has 2 choices and 3 questions, therefore for the multiple choice which has 4 choices and 2 questions it should be 4^2
Daniellelovee
  • Daniellelovee
and then I just multiplied them together and I got 128
triciaal
  • triciaal
multiple choice questions have 3 options each.
Daniellelovee
  • Daniellelovee
oh sorry that was a mistake it was actually 4 sorry
triciaal
  • triciaal
|dw:1444277033331:dw|
Daniellelovee
  • Daniellelovee
I didn't noticed I wrote the wrong number
triciaal
  • triciaal
ok same principle but it would be 2^4 not 4^2
Daniellelovee
  • Daniellelovee
for some odd reason I still get 128....
triciaal
  • triciaal
need some more input
Daniellelovee
  • Daniellelovee
but 2^4 is the same as 4^2 they are both 16
triciaal
  • triciaal
2^4 = 4^2
triciaal
  • triciaal
2 is a factor of 4 but if you did not have example 3^2 is not = 2^3
triciaal
  • triciaal
@Directrix please help
Directrix
  • Directrix
I assume that the T/F questions are all together on the test in one section and the same for the MC questions. And, I assume that the student answers every question - no blanks. For the 3 T/F questions there are 2 ways to answer each one. That gives 2*2*2 = 8 ways to answer the T/F questions. For the 2 MC questions, there are 4 ways to answer each one. That gives 4*4 = 16 ways to answer them. To answer the entire test with the T/F questions all together and the M/C questions all together, I get 2*2*2*4*4 = 128 ways to answer the test.
Daniellelovee
  • Daniellelovee
OMG I WAS RIGHT!! :D
Daniellelovee
  • Daniellelovee
thank you sooo much
Daniellelovee
  • Daniellelovee
can I ask you one more?
Directrix
  • Directrix
Only if my answer is correct. Notice that I had to make those assumptions.
Daniellelovee
  • Daniellelovee
true but you are 99% of the time correct so I have a high probability of it being the correct answer :)
Daniellelovee
  • Daniellelovee
and can I ask you one more question in a new one?
Directrix
  • Directrix
Okay.
triciaal
  • triciaal
@Directrix thanks (still think 2^4)

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