Chemistry Math Review

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

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10^-4
• 5 x 10³
• .5 x 10³

How do you write 1001 in scientific notation?

• 1.0001 x 10⁴
• 1.01 x 10⁵
• 1.001 x 10³
• 10.1 x 10³

How do you write
8.317 x 10⁶
in standard form?

• 8, 371, 000
• 83, 170, 000
• 837, 100
• 8, 317, 000

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

Solve:
(2.2 x 10 ⁴) x (7.1x 10 ⁵)

• 1.562 x 10¹⁰
• 15.62 x 10⁹
• 15.62 x 10²⁰
• 1.562 x 10²⁰

How many significant figures does 10.1 cm have?

• 1
• 2
• 3
• 4

How many significant figures does 0.010 m have?

• 1
• 2
• 3
• 4

How many significant figures does 0.025 kg have?

• 1
• 2
• 3
• 4