Unit 1 Quiz/Review

What should you do if you break glass in the lab?

• Tell the teacher, and she'll tell you what to do next.

• Sweep up the glass by yourself.

• Pick up the glass with your hands.

• Ignore it; the teacher will clean it up when she sees it later.

Which of the following will protect your eyes from dangerous chemicals?

• gloves

• A lab apron

• Goggles

• Hair in the face

How many sig figs are there?
100.00

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How many sig figs are there?
0.00400

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How many sig figs are there?
27000000

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• 8

How many sig. fig. are in the number below:
350.540

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Tags

CCSS.8.EE.A.4

Which measurement contains 3 sig figs?

• 200 mL
• 20.0 mL
• 0.02 mL
• 0.020mL

Which value has only 4 significant digits? 

• 6.930
• 0.450
• 8450
• 0.392

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

• 11 cm
• 11.0 cm
• 11.00 cm
• 11.000 cm

How many significant figures will be in the answer to the following question:
7.62 x 6.98 x 3.2645

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