Scientific Figures Worksheet
A Grade 11 Science worksheet focusing on understanding and applying scientific figures in measurements and calculations.
Includes
Standards
Topics
Scientific Figures Practice
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Date:
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Read each question carefully and follow the instructions to determine the correct number of significant figures or perform calculations with appropriate precision.
1. How many significant figures are in the measurement 0.005070 grams?
3
4
5
7
2. When multiplying 2.5 cm by 3.45 cm, what is the correct answer with the appropriate number of significant figures?
8.625 cm²
8.63 cm²
8.6 cm²
9 cm²
3. All non-zero digits are always .
4. Leading zeros (zeros before non-zero digits) are significant.
5. Trailing zeros are significant only if the number contains a .
6. State the rule for determining the number of significant figures in a sum or difference.
7. A student measures the length of an object as 12.34 cm and its width as 5.6 cm. Calculate the area of the object and express your answer with the correct number of significant figures. Show your work.
8. The number 10,000 has five significant figures.
True
False
9. Exact numbers have an infinite number of significant figures.
True
False