NOS.2 Measurement and Tools

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 100.3

• 4
• 3
• 5
• 2

How many significant figures does the following number have: 14.600

• 2
• 5
• 4
• 7

How many significant figures does the following number have: 53.5

• 3
• 4
• 6
• 8

How many significant figures does the following number have: 0.002340

• 3
• 4
• 5
• 7

Students compete in a short race at a track meet. Which of the following is an example of a qualitative observation?

• The color of the students faces as they ran.
• The distance ran by a student in meters.
• The heart rate of a student in beats per second.
• The time passed in seconds.

What property is a balance used to measure?

• Size of an object
• Mass of an object
• Flexibility of an object
• Weight of an object

Scientists would use a ruler to measure...

• very large objects
• small to medium objects
• microscopic objects