Scientific Notation Quiz

The distance from the Earth to the Moon is about 384,400 km. How should this distance be expressed in scientific notation?

• 3.844×10⁵

• 384.4×10³

• 38.44×10⁴

• 0.3844×10⁶

A single grain of salt weighs approximately 0.00058 grams. Which of the following is the correct scientific notation for this weight?

• 5.8×10^-4

• 0.58×10^-3

• 0.0058×10^-2

• 58×10^-5

The speed of light in a vacuum is about 299,792,458 meters per second. How should this speed be expressed in scientific notation?

• 299.8×10⁶

• 0.2998×10⁹

• 29.979×10⁷

• 2.9979×10⁸

The diameter of a human red blood cell is approximately 0.000007 meters. How should this measurement be expressed in scientific notation?

• 0.0007×10^-3

• 70×10^-8

• 0.7×10^-5

• 7×10^-6

The mass of a typical adult human brain is about 1,400 grams. Which of the following correctly expresses this mass in scientific notation?

• 0.14×10⁴

• 14×10²

• 1.4×10³

• 140×10¹

The mass of a typical adult human heart is about 300 grams. Which of the following correctly expresses this mass in scientific notation?

• 30×10¹

• 3.0×10²

• 3000×10^-1

• 0.3×10³

The average distance from the Earth to the Sun is about 149,600,000 kilometers. How should this distance be expressed in scientific notation?

• 14.96×10⁷

• 0.1496×10⁹

• 1.496×10⁸

• 149.6×10⁶

The weight of a typical adult cat is about 4,500 grams. Which of the following correctly expresses this weight in scientific notation?

• 45×10²

• 450×10¹

• 4.5×10³

• 0.45×10⁴

The length of the Great Wall of China is approximately 21,196 kilometers. How should this length be expressed in scientific notation?

• 211.96×10²

• 2.1196×10⁴

• 21.196×10³

• 0.21196×10⁵

The volume of a typical adult human lung is about 6,000 milliliters. Which of the following correctly expresses this volume in scientific notation?

• 6.0×10³

• 60×10²

• 600×10¹

• 0.6×10⁴