Semester 1 Review

How many significant figures does the following number have?
0.00345

• 6
• 5
• 3
• Ambiguous: 3,4,5, or 6

• 5
• 3
• Ambiguous: 3 or 5

• 7

What is the volume shown in this graduated cyclinder?

• 4.30 mL

• 4.35 mL

• 4.4 mL

• 4.40 mL

What is the volume shown in this graduated cyclinder?

• 56 mL

• 60 mL

• 57.0 mL

• 56.0 mL

How many sig figs are found in 0.020 mL?

• 1

• 2

• 3

• 4

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

The mass of a Chromebook is approximately 0.00185 metric ton. How is this number written in scientific notation?

• 185 × 10⁻⁵

• 1.85 × 10⁻³

• 18.5 × 10⁻⁴

• 0.185 × 10⁻²

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

How many L are in 250.0 mL?

What is the equivalency for cm and m?

• 1000 cm = 1 m

• 100 m = 1 cm

• 1000m = 1cm

• 100 cm = 1 m