Unit 1 Quiz Review: Sci Method, Metrics, Sig Figs

John is a scientist and he recorded a measurement as 106.00. How many significant figures are in John's measurement?

• 2

• 3

• 4

• 5

How many sig. fig. are in the number below:
0.056

• 1
• 2
• 3
• 4

How many sig. fig. are in the number below:
0.678

• 1
• 2
• 3
• 4

How many sig. fig. are in the number below:
705000

• 2
• 3
• 5
• 6

Which measurement contains 3 sig figs?

• 200 mL
• 20.0 mL
• 0.02 mL
• 0.020mL

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

What is 98.907 rounded to 1 significant figure?

• 98.9
• 90
• 100
• 98.91

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
4.627 / 0.00371 = 

• 1247.169811
• 1250
• 1247
• 1240

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =

• 24.61178
• 24.612
• 24.611
• 24.61