A satellite is orbiting the Earth at the rate of 25 kilometers per minute. How far will it travel in two hours? a. 3000 kilomete
2 answers:
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Answer:
<h3>C. Scientific Notation</h3>Step-by-step explanation:
Since the number in question is greater than or equal to 1 but less than
10, we can choose any number between 1 and 10, lets take 3 for example.
If we take the product of 3 and an integer power of 10 number without regard to its sign, this can be expressed mathematically as shown;
where the power of 10 is -5. Note that any real number can be used as the power since we are not regarding the sign (Here we used -5). The expression formed according to the expression in question is a SCIENTIFIC NOTATION i.e
gives us a scientific notation.
<em>Scientific notation is a means by which we represent very large or small numbers that are difficult to represent using a decimal notation</em>
Answer:
The average score is equal to 88.5
Step-by-step explanation:
we know that
An average test score is the sum of all the scores on an assessment divided by the number of test-takers.
so
The sum is equal to
The number of test-takers is n=12
The average score is equal to
substitute