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Sedaia [141]
2 years ago
10

If a test consists of ten multiple choice questions with each permitting a possible answers. How many ways are there in which a

student give his answer?
Mathematics
1 answer:
dangina [55]2 years ago
5 0

The question isn't correctly given, a possible format is in the comment below, however, the explanation will cover then concept which can be applied to different but similar

Answer:

10048576 ways

Step-by-step explanation:

We are given a question, from which we can choose aby of 4 options, this gives ua 4 possible choices for 1.

This will also apply if we have more than 1 question with the same number of options.

This can be called the product rule, as each possibility is the same of each question given :

Therefore, given 10 questions:

. We have

4 * 4 * 4 * 4 * 4 * 4 * 4 * 4 * 4 * 4 = 4^10 = 10048576 ways

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il63 [147K]

Answer:

x = 12

y = 11

For any clarification, Please contact me in the comment section :)

I Hope It Helps .

Step-by-step explanation:

Let -the-unkonown- numbers-be-x-and-y \\x-y = 1       (1)\\xy = 132    (2)\\Make-x-subject-of-formula-in-equation1 \\x = 1+y\\Substitute , 1+y  for- x -in -equation ,2\\y(1+y) = 132\\y + y^{2} =132\\y^{2} +y-132=0\\Solve- the-quadratic-equation.\\y = 11\\substitute- 11 -for- y- in- equation -1- 0r- 2\\x -y = 1\\x-11 = 1\\x = 1+11\\x = 12

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3 years ago
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Step-by-step explanation:

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