Honors Chemistry- Unit 1: Measurements and Matter

Determine the number of sig figs in the following measurement: 
0.036653 m

• 7
• 5
• 2
• 0

Determine the number of sig figs in the following measurement: 
72,100 g

• 5
• 3
• 6
• 4

Determine the number of sig figs in the following measurement: 
3,000 mm

• 1
• 4
• 2
• 3

Determine the number of sig figs in the following measurement: 
25.03 L

• 4
• 3
• 2
• 1

Determine the number of sig figs in the following measurement: 
0.00300

• 3
• 6
• 1
• 5

Round the following number off to the number of sig figs shown in parentheses:
3.774499 (4)

• 3.774
• 3.775
• 3774
• 3775

Round the following number off to the number of sig figs shown in parentheses:
72,100 (1)

• 70,000
• 7
• 70
• 72,000

Round the following number off to the number of sig figs shown in parentheses:
529.78 (3)

• 530
• 529
• 5.30 x 10²
• 5.3 x 10²

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =

• 24.61178
• 24.612
• 24.611
• 24.61

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
278 x 11.70 =

• 3252.6
• 3250
• 3252
• 325