Chem Measurements 101 (Accuracy/Precision/Sig Figs/SciNotation)

What is the volume?

• 50

• 45

• 45.0

• 40.5

WHAT IS THE VOLUME?

• 36

• 36.5

• 37.0

• 36.0

WHAT IS THE LENGTH?

• 11.45

• 11.4

• 11

• 11.450

WHAT IS THE LENGTH?

• 29

• 29.2

• 29.20

• 30

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

350.540

• 4

• 5

• 6

• 3

How many sig. fig. are in the number below:
0.0005

• 1
• 2
• 3
• 4

There are __?__ significant digits in the number 23.012.

• 1
• 2
• 4
• 5

Why is the zero significant in the digit 706?

• It is an ending zero after the decimal point.
• It is a beginning zero.
• It is between 2 significant digits.
• It is not a significant digit.

Which value has only 4 significant digits? 

• 6.930
• 0.450
• 8450
• 0.392

Convert the following to scientific notation. 
0.000480 
(keep the same number of sig figs)

• 4.80 x 10⁴
• 4.80 x 10^-4
• 4.8 x 10^-3
• 4.8 x 10^-4