How do you write 4.20 × 102 in standard form?

To write \( 4.20 \times 10^2 \) in standard form, you need to multiply the number by \( 10^2 \) (which is 100).

\[
4.20 \times 10^2 = 4.20 \times 100 = 420
\]

So, \( 4.20 \times 10^2 \) in standard form is **420**.

Would you like more details or have any questions?

Here are 5 related questions:
1. How do you convert a number like \( 7.56 \times 10^3 \) to standard form?
2. What is the standard form of \( 3.01 \times 10^{-2} \)?
3. How do you express 0.045 in scientific notation?
4. What are the rules for multiplying numbers in scientific notation?
5. How would you write \( 5.78 \times 10^4 \) in expanded form?

**Tip:** When converting from scientific notation to standard form, remember that a positive exponent moves the decimal point to the right, while a negative exponent moves it to the left.

How do you write 4.20 × 10^2 in standard form?

Learn how to convert the scientific notation 4.20 × 10^2 to standard form with this step-by-step guide. Understand the key concepts of scientific notation and how to apply them in problems suitable for Grades 5-7.

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