Question

In how many different ways can you answer a multiple choice test that has 5 questions and 3 choices for each answer?

Answer 1

3*3*3*3*3 = 3^5 = 243 ways

Answer 2

see here http://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.293647.html

Answer 3

use combinations
\[nCr = \frac{n!}{r!(n-r)!}\]
so in this case
\[5C3 = \frac{5!}{3!(5-3)!}\]
does that help?

Answer 4

yes , thanks. :)

Answer 5

welcome ^_^

Answer 6

what do the exclamation marks mean?

Answer 7

I dont 10 is the answer @lgbasallote

Answer 8

the choices are:
15
125
243

Answer 9

it means factorial...for example
\[6! = 6\times 5 \times 4 \times 3 \times 2\times 1\]
\[7! = 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1\]
\[5! = 5\times 4 \times 3 \times 2 \times 1\]
and so on...

Answer 10

which is the correct answer