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netineya [11]
3 years ago
8

Ou are taking a​ multiple-choice test that has 4 questions. Each of the questions has 3 answer​ choices, with one correct answer

per question. If you select one of these choices for each question and leave nothing​ blank, in how many ways can you answer the​ questions?
Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0

Answer:

In 256 ways

Step-by-step explanation:

The number of answer choices will be; 4 * 3 = 12 answer choices

Okay, so per question we have 4 choices

The number of ways we can answer the first question is 4 ways since there are 4 choices

For the second question, 4 ways also

For the third 4 ways

And for the last question, four ways too

So the number of ways to correctly answer the question will be ;

4 * 4 * 4 * 4 = 256 ways

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Answer:

G=93\ to\ 147

Step-by-step explanation:

From the question we are told that

Mean x= 120  

Standard deviation \sigma= 9

Percentage for men =99.75%

Generally the empirical rule 68%,95% and 99.7% of data value lay b/w 1,2,3 standard deviation of mean  

Standard deviation n= 9

Mean x= 120

Generally the interval  of systolic blood pressure for middle 99.7 of male G is mathematically given as

G=Mean \pm 3* \sigma

G=120 \pm 3*9

G=93\ to\ 147

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Elliot has a total of 26 books. he has 12 more fiction books than nonfiction books. let x represent the number of fiction books
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Answer:

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Step-by-step explanation:

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then,

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Answer:

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