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Questions and Answers
What is the mass of a block of wood with a volume of 50 cubic centimeters and a density of 0.6 g/cm³?
What is the mass of a block of wood with a volume of 50 cubic centimeters and a density of 0.6 g/cm³?
- 80 g
- 50 g
- 30 g (correct)
- 300 g
What is the SI unit of density?
What is the SI unit of density?
- Grams per milliliter
- Newtons per meter
- Kilograms per cubic meter (correct)
- Pounds per square inch
How many significant figures are in the number 0.00345?
How many significant figures are in the number 0.00345?
- 2
- 3
- 5
- 4 (correct)
What is $6.02 \times 10^{23}$ in standard decimal notation?
What is $6.02 \times 10^{23}$ in standard decimal notation?
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Express 0.000045 in scientific notation.
Express 0.000045 in scientific notation.
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