Unit 3: Quantitative Chemistry

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

Write in standard form: 
6.254 x 10⁶

• 6,254,000
• 6,254,000,000
• 625,400

Write in standard form: 
7.3003 x 10^-5

• .000073003
• .0000073003
• 730,030

Write in scientific notation: 
540,020,000

• 5.4002 x 10⁸
• 5.4 x 10⁸
• 5.4002 x 10⁴

Write in scientific notation: 
0.0079245

• 7.9245 x 10^-3
• 7.9245 x 10^-2
• 7.9245 x 10³

1 kg =

• 10g
• 100g
• 1000g
• 10,000g

1 m =

• 100cm
• 10cm
• 1000cm
• 10mm

What piece of equipment (tool) is used to measure volume  more accurately?

• Graduated Cylinder
• Meter Stick
• Triple-Beam Balance
• Beaker

What piece of equipment (tool) is used to measure length?

• Graduated Cylinder
• Meter Stick
• Triple-Beam Balance

how close a measurement is to the true value for the  quantity.

• accuracy 
• precision