1.4 Significant Figures

Leading zeros are always significant, ex: 0.0023

• True

• False

Trailing zeros are significant if there is a decimal point: like 0.200

• True

• False

Zeros sandwiched between digits are not significant, ex 2019.

• True

• False

All non zero digits are significant

• True

• False

How many significant figures does the following number have: 0.002040

• 4
• 6
• 5
• 7

How many significant figures does the following number have: 231

• 2
• 3
• Whole number is not possible
• None of the above

How many significant figures are there in 1008 grams?

• 1

• 2

• 3

• 4

How many significant figures are in 1,500?

• 2

• 3

• 4

How many significant figures are in 0.0460?

• 2

• 3

• 4

• 5

How many significant figures are there in 0.0054 grams?

• 2

• 3

• 4

• 5