(8x4+2x2−1)+(3x3−5x2+7x+1)=
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Answer:
The percent error in Isabel's measurement is <u>12.5%</u>.
Step-by-step explanation:
Given:
Isabel thinks she has space for a 45 inch wide bookcase it turns out she only has space for a 40 inch wide bookcase.
Now, to find the percent error in Isabel's measurement.
Measurement she thinks = 45 inch.
The actual measurement = 40 inch.
<u><em>So, the error in measurement</em></u> =
Now, to get the percent error of the measurement:
Therefore, the percent error in Isabel's measurement is 12.5%.