Physics Unit 1 Review

Which of the following is the correct measurement

• 27 mL

• 27.0 mL

• 27.00 mL

Which of the following is the correct measurement?

• 8.35 cm

• 8.3 cm

• 8 cm

• 8.350 cm

Which of the following is the correct measurement?

• 25.60 mL

• 25 mL

• 25.6 mL

How many sig figs in the number 100?

• 1
• 2
• 3
• As many as you want there to be.

How many sig figs in the number 0.000 000 001 ?

• 1
• 2
• 9
• 10

Compute and round properly

4.765 cm x 8.50 cm

• 40.5025 cm²

• 40.5 cm²

• 40 cm²

Compute and round properly
5.66 g ÷ 1.0 mL

• 5.66 g/mL
• 5.7 g/mL
• 6 g/mL
• 5.6 g/mL

(2.3 x 10²)+(4.1 x 10²)=

• 6.4 x 10⁴
• 6.4 x 10²
• 6.4 x 10⁰
• .64 x 10¹

How would you write 5.6 x 10^-3 in standard form?

• 0.00506
• 5,600
• 0.00056
• 0.0056

Calculate 12.34 × 1.234 × 0.1234 (Sig Figs Matter)

• 1.87908

• 1.879

• 1.9

• 1.8790809