CHEM FINAL REVIEW: Unit 1-3

Convert this number into scientific notation: 0.068

• 6.9 x 10⁶

• 6.8 x 10^-9

• 6.8 x 10^-2

• None of the above

Convert this number into scientific notation: 950,000

• 9.5 x 10⁵

• 9.5 x 10^-9

• 9.5 x 10²

• None of the above

Write 6,700 in scientific notation.

• 6.7 x 10³
• 6.7 x10^-3
• 67 x 10²
• 67 x 10^-2

How many significant figures: 216 m

• 1
• 2
• 3
• 0

How many significant figures: 153.0 mL

• 1
• 2
• 3
• 4

How many significant figures: 0.012 km

• 1
• 2
• 3
• 4

How many significant figures: 1000 mL

• 1
• 2
• 3
• 4

What is 4cm in mm?

• 0.4

• 4

• 400

• 40

What is 300cm in metres?

• 3

• 30

• 0.3

• 0.03

What is 4000g in kg?

• 400

• 40

• 0.4

• 4