chemistry review 1

Determine the number of significant digits of 4.7500

• 3

• 4

• 5

• 6

Determine the number of significant digits of 0.0080500

• 2

• 3

• 8

• 5

• 54.46

• 54.4

• 54.5

• 54

• 26

• 25.8432

• 25.84

• 25.8

• 0.085

• 0.08

• 0.09

• 0.1

There are __?__ significant digits in the number 2,000,000

• 1
• 2
• 6
• 7

Description of how similar or close measurements are to each other.

• accuracy

• precision

• technology

• inference

Description of how close a measurement is to an accepted or true value

• accuracy

• digital

• precision

• description

Convert 23 cm to m

• 2.3
• 0.23
• 2,300
• 230

Convert 40 kilograms to grams

• 400
• 4000
• 40000
• 40