The number \( 45.0 \) in scientific notation is:

\[
4.5 \times 10^1
\]

In scientific notation, you express a number as \( a \times 10^n \), where \( a \) is a number between 1 and 10, and \( n \) is an integer that shows how many times the decimal point has been moved.

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Here are 5 related questions:
1. How do you convert a decimal number to scientific notation?
2. What are the rules for significant figures in scientific notation?
3. How would you convert \( 0.045 \) to scientific notation?
4. How do you multiply and divide numbers in scientific notation?
5. What is the use of scientific notation in real-world applications?

**Tip:** When converting numbers to scientific notation, always ensure the coefficient is between 1 and 10!

Learn how to convert 45.0 to scientific notation with this detailed guide. Explore key concepts such as scientific notation and powers of 10. Understand the process of writing numbers in scientific form, suitable for students in Grades 6-8.

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