Lecture 2 Starter-25

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

How many sig figs are there?
0.000008

• 1
• 2
• 6
• 7

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

• 26.281

• 26.28

• 26.2

• 26.3

What is the correct answer for: (2 X 10⁷ ) x (8 X 10^-9 )

• 0.22

• 1.6 x 10^-1

• 4 x 10^-1

• 2 x 10^-1

45 cm = ___ mm

• 450 mm
• 4,500 mm
• 45 mm
• 4.5 mm

Which unit would you measure your weight in?

• grams

• kilograms

• pounds

• none of these