Chemistry Math Review

How many significant figures is the following number?
500 578

• 4
• 6
• 3
• 2

How many significant figures is the following number?
1 001

• 4
• 1
• 3
• 2

How many significant figures is the following number?
0.000 001

• 7
• 1
• 6
• 5

How many significant figures is the following number?
4.30 x 10⁷

• 7
• 1
• 3
• 5

How many significant figures is the following number?
1 380 000

• 7
• 1
• 3
• 5

How many significant figures is the following number?
34.90

• 3
• 2
• 4
• 1

Express the following number in scientific notation to 3 significant figures.
299 986 897

• 3.00 x 10⁹
• 2.99 x 10⁸
• 2.99 x 10⁹
• 3.00 x 10⁸

Express the following number in scientific notation to 3 significant figures.
10079

• 1.01 x 10⁴
• 1.00 x 10⁴
• 1.00 x 10⁵
• 1.01 x 10⁵

Express the following number in scientific notation to 3 significant figures.
500.0

• 5.01 x 10⁴
• 5.00 x 10²
• 5.00 x 10³
• 50.1 x 10¹

Express the following number in scientific notation to 3 significant figures.
8.579 x 10⁷

• 8.59 x 10⁷
• 8.58 x 10⁷
• 8.579 x 10⁷
• 85.8 x 10⁶