Math in Chemistry

How many significant figures: 216 m

• 1
• 2
• 3
• 0

How many significant figures: 1000 mL

• 1
• 2
• 3
• 4

How many significant figures: 100.000 cL

• 1
• 3
• 5
• 6

How many significant figures: 0.001 g

• 4
• 3
• 2
• 1

How many significant figures: 450 m

• 3

• 2

• 1

• 0

Solve and give your answer with the correct rounding

24.28 + 12.5

• 3.687 x 10¹
• 36.8
• 37
• 3.70x10¹

Give the answer to the correct number of significant figures to

3.419 + 3.912 + 7.0518 + 0.00013

• 14.383

• 14.382

• 14.3829

• 14.38293

Give the answer to the correct number of significant figures to

247.89 ÷ 43.5

• 5.70

• 5.7

• 5.699

• 5.69

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

• 1.0 m²

• 1.1 m2

• 1.0947 m2

• 1.095 m2

What is 78.5 rounded to one significant figure?

• 80

• 78.5

• 70

• 79