post-lab 1 ch 204

# post-lab 1 ch 204 - obennoskey(blo242 – Post-lab 1 –...

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Unformatted text preview: obennoskey (blo242) – Post-lab 1 – Lyon – (52635) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. This post-lab 1 assignment is due by your next lecture at 8AM. The questions cover ex- periment 1. 001 (part 1 of 2) 10.0 points Can a measurement be precise but inaccu- rate? 1. Yes; accuracy is a tradeoff for precision 2. No, precision and accuracy are the same thing 3. Yes, if the values are close together but not near the true value correct 4. No, if the data is precise it must also be accurate Explanation: 002 (part 2 of 2) 10.0 points Can a measurement be accurate but impre- cise? 1. No, precision and accuracy are the same thing 2. Yes; precision is a tradeoff for accuracy 3. Yes, if the values are scattered, but aver- age to the true value correct 4. No, if the data is accurate it must also be precise Explanation: 003 (part 1 of 4) 10.0 points Determine the number of significant digits in 5 . 12 × 10- 6 . Correct answer: 3. Explanation: When a number is written in scientific no- tation, all the digits in the coefficient are sig- nificant....
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post-lab 1 ch 204 - obennoskey(blo242 – Post-lab 1 –...

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