The diameter of the moon is about 3500 km. Write the diameter of the moon in scientific notation. O A. 3.5 x 102 km O B. 35 x 102 km C. 3.5 x 103 km D. 0.35 x 104 km

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Question: Scientific Notation of the Moon's Diameter**

**Context:**
The diameter of the moon is about 3,500 km. Write the diameter of the moon in scientific notation.

**Options:**
- A. \(3.5 \times 10^2 \text{ km}\)
- B. \(35 \times 10^2 \text{ km}\)
- C. \(3.5 \times 10^3 \text{ km}\)
- D. \(0.35 \times 10^4 \text{ km}\)

To solve this, we need to convert 3,500 km into scientific notation. Scientific notation expresses numbers as a product of a coefficient (between 1 and 10) and a power of 10.

Let's break down the conversion:
- 3,500 can be rewritten as \(3.5 \times 1,000\)
- And 1,000 is \(10^3\) (since 1,000 has three zeros)

Thus, 3,500 can be expressed as:
\[3.5 \times 10^3 \text{ km}\]

**Correct Option:**
- C. \(3.5 \times 10^3 \text{ km}\)

**Explanation:**
The diameter of the moon in scientific notation is \(3.5 \times 10^3 \text{ km}\). The other options listed either misplace the decimal point or incorrectly represent the exponent in the scientific notation.
Transcribed Image Text:**Question: Scientific Notation of the Moon's Diameter** **Context:** The diameter of the moon is about 3,500 km. Write the diameter of the moon in scientific notation. **Options:** - A. \(3.5 \times 10^2 \text{ km}\) - B. \(35 \times 10^2 \text{ km}\) - C. \(3.5 \times 10^3 \text{ km}\) - D. \(0.35 \times 10^4 \text{ km}\) To solve this, we need to convert 3,500 km into scientific notation. Scientific notation expresses numbers as a product of a coefficient (between 1 and 10) and a power of 10. Let's break down the conversion: - 3,500 can be rewritten as \(3.5 \times 1,000\) - And 1,000 is \(10^3\) (since 1,000 has three zeros) Thus, 3,500 can be expressed as: \[3.5 \times 10^3 \text{ km}\] **Correct Option:** - C. \(3.5 \times 10^3 \text{ km}\) **Explanation:** The diameter of the moon in scientific notation is \(3.5 \times 10^3 \text{ km}\). The other options listed either misplace the decimal point or incorrectly represent the exponent in the scientific notation.
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