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Compared with a metric scale that has grams as the smallest division, a scale with milligrams as the smallest :?
A. will guarantee measurements that are more accurate, but not necessarily more precise.
C. will guarantee measurements that are more precise, but not necessarily more accurate.
D. will not guarantee measurements that are more accurate or more precise.
1 Answer
- SqdancefanLv 77 years ago
Precision has to do with the place value of the right-most significant digit of the number. (The smaller the place value, the more precise (higher precision) the number.) A number expressed in milligrams will be more precise than a number expressed in grams. Just knowing this will eliminate answers A and D.
Accuracy has to do with how near the number is to the true value.
For example, if the true value is 25, an estimate of 23.75903 will be much more precise, but an estimate of 26 will be more accurate (because it is closer to the true value).
