Uncertainties & Errors - Part 1

• A

• B

• C

• D

• A

• B

• C

• D

• 2%

• 5%

• 7%

• 10%

Tags

NGSS.HS-PS2-1

• 0.25%

• 5%

• 10%

• 25%

• 8%

• 12%

• 14%

• 20%

The first length measured in a laboratory experiment is 2.5 + 0.1 m and the second length 3.4 + 0.1 m. What is the uncertainty of the sum of the lengths?

• 0.1 m

• 0.2 m

• 0.3 m

• 0.4 m

The first length measured in a laboratory experiment is 2.5 + 0.1 m and the second length 3.4 + 0.1 m. What is the uncertainty of the difference in the lengths?

• 0.1 m

• 0.2 m

• 0.3 m

• 0.4 m

State the order of magnitude of the following: 0.000656

• 10 ^-4

• 10 ^-3

• 10 ^-2

• 10 ^-1

State the order of magnitude of the following: 539

• 600

• 500

• 10 ³

• 10 ²

A pile of sand has a width that ranges from 38 m to 41 m and a length that is approximately 125 m. If the depth varies from 8.8 m to 9.1 m, what is the order of magnitude of the volume ?

• 10 ⁴

• 10 ³

• 10 ²

• 10 ¹