Unit 0 Honors Chem

What are examples of qualitative data?

• Pressure

• Shape

• Odor

• Color

The prefix "kilo" means: ____________________

• 1 x 10^-1
• 1 x 10³
• 1 x 10^-3
• 1 x 10²

The prefix "deci" means: ____________________

• 1 x 10^-1
• 1 x 10¹
• 1 x 10³
• 1 x 10^-2

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

Express the following in scientific notation:
.000457

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

Which of the following is correct scientific notation?

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

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 100.3

• 4
• 3
• 5
• 2

calculate the following to the correct number of sig figs.
0.00401  x  2.00  x  501

• 4.02
• 4
• 4.0
• 4.0180

calculate the following to the correct number of sig figs.
32.451 - 21.5

• 11.0
• 10.951
• 11
• 10.95