Sig figs and Scientific Notation

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:
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

Express the following number in decimal notation: 
4.502 x 10⁵

• 450,200
• 4502
• 0.00004502
• 0.000004502

Express the following number in decimal notation: 
4.96 x 10^-3

• 0.00496
• 4,960
• 496
• 0.000496