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Measurement and Sig. Fig. Practice

Measurement and Sig. Fig. Practice. A. Identify the number of significant digits in each of the following measurements. Write the number in the space provided . Write the numbers that are not exponents in scientific notation below.

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Measurement and Sig. Fig. Practice

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  1. Measurement and Sig. Fig. Practice A. Identify the number of significant digits in each of the following measurements. Write the number in the space provided. Write the numbers that are not exponents in scientific notation below. 1. 520 ml _______ 5. 10.002 ns _______ 2. 0.0102 ms _______ 6. 3.02 x 1012 m _______ 3. 0.230 L _______ 7. 0.451 Pa _______ 4. 25,600 L _______ 8. 0.001 _______ Consult your text as needed for a reminder on sig fig rules!

  2. B. Perform the following calculations and round off the answer to the correct number of significant digits. When multiplying and dividing round to the fewest number of significant figures, when adding and subtracting round to the fewest decimal places. When you need to do both, follow the proper mathematic order of operations and round for each part, do not wait to round until the end. 1. 0.3287 g x 45.2 g = ___________ 2. 125.5 kg + 52.68 kg + 2.1 kg =___________ 3. 0.258 g/ 0.36105 ml = ___________ 4. 52.8 Pa + 3.0025 Pa = ___________ 253.4 Pa

  3. C. Convert the following measurements using dimensional analysis. 1. 542 cg to kg 2. 8.56 in to mm 3. 0.25 qt to L 4. 2000.0 mg to lbs

  4. D. Measure and record the following using the information given: 1. Find an 3x5 index card and record the length and width in cm. 2. Determine the mass and cylinder below.

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