Data and Measurements

Solve and give your answer with the correct number of significant figures
(12.470)(271)

• 3366.9
• 3.37x10³
• 3400
• 3370

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

How many sig figs are there?
100000000

• 1
• 9
• 10

How many sig figs are there?
4004

• 1
• 2
• 3
• 4

Calculate 5.50 cm + 5.5 cm and give your answer with the correct number of significant figures.

• 11 cm
• 11.0 cm
• 11.00 cm
• 11.000 cm

Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.

• 13.6974
• 13.697
• 13.70
• 13.7

Express the number 0.002381 in scientific notation.

• 2.381 x 10³

• 2.381 x 10^-3

• 2.381

• 2381

Express the number 77590 in scientific notation.

• 7.759 x 10⁴

• 7.759 x 10^-4

• 7.7590 x 10³

• 7.7590 x 10^-3

A student measured two times the mass of a graduated cylinder. The results were the following:

Trial 1: 24.3 g

Trial 2: 21.4 g

The graduated cylinder has an accepted mass of 22.5 g. Calculate the percent error for trial 2 using the correct number of significant figures.

• 0.0800 %

• 8.00 %

• 4.89 %

• -0.0489%

Four teachers collected the data table shown in the image.

Each teacher took three volume readings of a liquid. The actual volume of the liquid was 80.0 mL.

Which teacher’s measurements were both precise and accurate?

• Teacher 1

• Teacher 2

• Teacher 3

• Teacher 4