Sarah has only dimes and quarters in how many different ways could she make $1.45
2 answers:
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Answer:
Tommy's percent error is 10%.
Step-by-step explanation:
Percent error is found with the formula , where P is the percent error,
is the actual value that you measure, and
is the accepted value or the expected value. For instance, the accepted value for specific heat of water is:
This would also be the expected value in a lab experiment.
We are given the accepted value of 15 feet. Therefore, we know that this is Then, we see that Tommy measures the length as 13.5 feet - this is
Finally, we need to place these values into the equation and solve for P.
Therefore, Tommy's percent error is 10%.