How can estimating the quotient help you check that your answer to a division problem is reasonable?

Mathematics

1 answer:

neonofarm [45]2 years ago

7 0

Explanation:

If your actual answer is very far from your estimate, you probably made a mistake somewhere.

<em>Additional comment</em>

50 years ago, when a slide rule was the only available calculation tool, making an estimate of the result was a required part of doing the calculation. Not only were the first one or two significant digits needed, but also the power of 10 that multiplied them. Use of a slide rule required the order of magnitude be computed separately (by hand) from the significant digits of the result.

You may also find it useful to estimate the error in your estimate. That is, you may want to know the approximate answer to 2 (or more) significant digits in order to gain confidence that your calculation is correct.

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A university class has 22 students: 3 are nursing majors, 9 are psychology majors, and 10 are business majors. (Each student has

KiRa [710]

Answer:

27/462

.058

Step-by-step explanation:

the probability that the first student, selected at random, is a nursing student is 3/22.

the probability that the second student, selected at random from the remaining students, is an accounting major is 9/21.

the probability the first student chosen is a nursing student and the second student chosen is an accounting major is therefore 3/22 * 9/21 = 27/462.

7 0

2 years ago