What is the standard form of 5 × 10-3?

500
5,000
5,000,000
0.005

The expression \( 5 \times 10^{-3} \) represents a number in scientific notation. 

Here's the process:

- \( 10^{-3} \) means "move the decimal point three places to the left." 
- So, starting with 5.0:
  - Moving the decimal three places to the left gives you **0.005**.

Therefore, the correct answer is:

**0.005**

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Would you like more details or have any questions? 

Here are some related questions:
1. What is \( 7 \times 10^{-2} \) in standard form?
2. Convert \( 2.3 \times 10^{4} \) to standard form.
3. How would \( 6.5 \times 10^{0} \) be written out in full?
4. Write 0.00045 in scientific notation.
5. How does the exponent affect the movement of the decimal point in \( 10^{n} \)?

**Tip:** In scientific notation, negative exponents move the decimal point left, while positive exponents move it right.

Explore the concept of scientific notation with a focus on 5 × 10^-3. Learn how to convert numbers from scientific notation to standard form and vice versa. Suitable for students in Grades 6-8.

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