Measurement Practice Test

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 20%

• 16%

How many sig. fig. are in the number below:
350.540

• 4
• 5
• 6
• 7

Tags

CCSS.8.EE.A.4

Convert the following to scientific notation.

0.000480

• 4.8 x 10^-4

• 4.80 x 10^-4

• 48 x 10^-5

• 4.80 x 10⁴

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Tags

CCSS.8.EE.A.3

Solve & Round to Correct Sig Figs.
103.45 + 2 = 

• 105
• 104
• 105.45
• 106

Solve & Round to Correct Sig Figs.

100. / 2 =

• 50

• 50.

• 50.0

• 50.00

A block has a mass of 54 g and a volume of 20 cm³. What is the density of the block?

• 74 g/cm3

• 1080 g/cm3

• 34 g/cm3

• 2.7 g/cm3

• 3 g/cm³

64,600,000 cm = ____ km

• 646

• 64.6

• 6,460

• 6.46

• 64,600

Convert the following:

5.0 cm/min = ______ m/day

• 72

• 840

• 7.2

• 5,040,000