Podcast
Questions and Answers
The metric base unit for length is which of the following?
The metric base unit for length is which of the following?
The metric unit for volume is which of the following?
The metric unit for volume is which of the following?
Which of the following is the basic unit of mass in the SI?
Which of the following is the basic unit of mass in the SI?
Which of the following is a measurement of mass in the metric system?
Which of the following is a measurement of mass in the metric system?
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Which of the following is a measurement of mass in the metric system?
Which of the following is a measurement of mass in the metric system?
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The value of 25°C is a measurement of which of the following?
The value of 25°C is a measurement of which of the following?
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The basic unit of mass in the metric system is the pound.
The basic unit of mass in the metric system is the pound.
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The liter is a unit of volume in the metric system.
The liter is a unit of volume in the metric system.
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A value of 36 mL is a measure of which of the following?
A value of 36 mL is a measure of which of the following?
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A value of 345 mm is a measure of which of the following?
A value of 345 mm is a measure of which of the following?
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The amount of space occupied by a substance is known as what?
The amount of space occupied by a substance is known as what?
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The measurement of the gravitational pull on an object is known as what?
The measurement of the gravitational pull on an object is known as what?
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Round 504.85 off to 3 significant figures.
Round 504.85 off to 3 significant figures.
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Round 8.3158 to three significant figures.
Round 8.3158 to three significant figures.
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Round 25225 to three significant figures.
Round 25225 to three significant figures.
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Round 58.5422 to three significant figures.
Round 58.5422 to three significant figures.
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Round 6.3477 x 10^4.
Round 6.3477 x 10^4.
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Round 399870 to three significant figures.
Round 399870 to three significant figures.
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The number 0.0500 has four significant figures.
The number 0.0500 has four significant figures.
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The number 650000 has two significant figures.
The number 650000 has two significant figures.
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Why are significant figures important?
Why are significant figures important?
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How many significant figures are in the number 0.00208?
How many significant figures are in the number 0.00208?
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Study Notes
Measurement Units in the Metric System
- Meter is the base unit for length in the metric system.
- Liter is the standard unit for measuring volume.
- Kilogram is the basic unit of mass in the SI (International System of Units).
- Kilogram is consistently identified as a metric measurement of mass across various contexts.
- Temperature is correctly represented by a value of 25°C.
True/False Statements
- The statement that the pound is the basic unit of mass in the metric system is False.
- It is True that the liter is a unit of volume in the metric system.
Various Measurements
- A value of 36 mL is a measure of Volume.
- A value of 345 mm corresponds to a measure of Distance.
- The concept of volume describes the amount of space occupied by a substance.
- Weight refers to the measurement of gravitational pull on an object.
Significant Figures
- Rounding 504.85 to three significant figures results in 505.
- The number 8.3158 rounds to 8.32 when expressed with three significant figures.
- Rounding 25,225 to three significant figures gives 25,200.
- Rounding 58.5422 results in 58.5 when only three significant figures are considered.
- The scientific notation 6.3477 x 10^4 rounds to 6.35 x 10^4.
- Rounding 399,870 to three significant figures yields 400,000.
Understanding Significant Figures
- The number 0.0500 has False significance regarding its four significant figures.
- The assertion that 650,000 has two significant figures is True.
- Significant figures are crucial as they indicate the Precision of a measurement.
- The number 0.00208 has 3 significant figures.
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