10. A pharmacist weighed 475 mg of a substance on a balance of dubious accuracy. When checked on a balance of high accuracy, the weight was found to be 445 mg. Calculate the percentage of error in the first weighing.

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10. A pharmacist weighed 475 mg of a substance on a balance of dubious accuracy.
When checked on a balance of high accuracy, the weight was found to be 445 mg.
Calculate the percentage of error in the first weighing.
Transcribed Image Text:10. A pharmacist weighed 475 mg of a substance on a balance of dubious accuracy. When checked on a balance of high accuracy, the weight was found to be 445 mg. Calculate the percentage of error in the first weighing.
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