Measurement and Significant Figures Quiz

A digit that must be estimated is called ______.

• uncertain

• certain

• significant

• exact

A measurement always has some degree of ______.

• certainty

• uncertainty

• accuracy

• precision

The volume is read at the ______ of the liquid curve (meniscus).

• top

• middle

• bottom

• side

Meniscus of the liquid occurs at about ______ mL.

• 20.10

• 20.15

• 20.20

• 20.25

Agreement of a particular value with the true value is called ______.

• accuracy

• precision

• uncertainty

• significance

Degree of agreement among several measurements of the same quantity is called ______.

• accuracy

• precision

• uncertainty

• significance

Nonzero integers always count as ______.

• uncertain digits

• significant figures

• exact numbers

• decimal points

0.048 has ______ significant figures.

• 1

• 2

• 3

• 4

16.07 has ______ significant figures.

• 2

• 3

• 4

• 5

Trailing zeros are significant only if the number contains a ______.

• decimal point

• nonzero digit

• leading zero

• captive zero