Significant Digits and Calculations

Significant digits contain all of the digits that are certain plus _____________ estimated digit(s).

• 0

• 1

• 2

• 3

Placeholder zero's _______________ significant.

• are

• are not

Significant digits are used in chemistry to show the _____________ of the measuring tool.

• units

• purpose

• precision

How many significant digits are in 5.40 g?

How many significant digits are in 2.30 L?

How many significant digits are in 4500 mg

How many significant digits are in 1.000 g

How many significant digits are in 3200. ml

How many significant digits are in 0.070 m

How many significant digits are in 1.02 kg