Density - Sig. Figs Quiz

Which diagram shows the MOST dense object?

• left

• center

• right

Which diagram shows the LEAST dense object?

• left

• center

• right

A block of aluminum occupies a volume of 15.0 mL and weighs 45.0 g. What is its density?

• 3 g/mL

• 0.3333 g/mL

• 675 g/mL

• I have no idea

Why do objects sink or float in H₂O?

• Because their densities are higher or lower than compared to water

• Because their densities are using gravity to pull down

• Because their densities are heavier or lighter

• Because their mass and volumes are equal

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm³?

• 13.3 g

• 13.3 cm³

• .075 g

• 1695 cm³

Write the following number in scientific notation.

0.052

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

Express the following in standard notation:
8.025 x 10^-8

• .00000008025
• .000000008025
• 802,500,000,000
• 80,250,000,000

Express the following in scientific notation:
10,030,400,000

• 1.00304 x 10⁹
• 1.00304 x 10¹⁰
• 1.00403 x 10¹⁰
• 1.00304 x10^-10