📊 Part 1: Number Forms

1. Write 45,000,000,000 in word form:

2. Convert 3.7 × 10⁹ to standard form:

3. Write 78,000,000,000,000 in expanded form:

4. Convert 250,000,000,000 to scientific notation:

5. Which number is larger?

4.8 × 10¹²

6.2 × 10¹¹

9.1 × 10¹⁰

🔢 Part 2: Real-World Applications

6. The U.S. national debt is approximately $32,000,000,000,000. Write this in:

Word form: ________________________________

Scientific notation: ________________________________

7. The distance from Earth to the sun is about 9.3 × 10⁷ miles. Write this in standard form:

8. A tech company's value is 1.5 trillion dollars. Which scientific notation represents this amount?

1.5 × 10⁹

1.5 × 10¹²

1.5 × 10¹⁵

9. Explain why scientists use scientific notation instead of writing out very large numbers in standard form:

10. In the number 5.6 × 10¹³, what does the exponent 13 tell us about the original number?

11. Order these numbers from smallest to largest:

A) 8.9 × 10¹¹ B) 2.3 × 10¹² C) 7.1 × 10¹⁰ D) 4.5 × 10¹²

Order: _____ < _____ < _____ < _____