Lesson 1 Homework Practice Powers and Exponents

NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 1 Homework Practice
Powers and Exponents
Write each product using an exponent.
1. 20 × 20 20 2
2. 4 × 4 × 4 × 4 4 4
4. 3 × 3 × 3 × 3 × 3 3 5 5. 10 × 10 × 10 10 3
7. 25 × 25 × 25 25 3
3. 2 × 2 × 2 × 2 × 2 × 2 × 2 2 7
6. 7 × 7 × 7 × 7 × 7 × 7 7 6
8. 5 × 5 × 5 × 5 × 5 × 5 × 5 5 7 9. 6.5 × 6.5 6.5 2
10. SUN The surface temperature of the sun is close to 10 × 10 × 10 × 10 degrees
4
Fahrenheit. Write this product using an exponent. 10
11. BONES There are about 6 × 6 × 6 bones in the adult human body. Write this product
using an exponent. 6 3
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
Write each power as a product of the same factor. Then find the value.
12. 15 3 15 × 15 × 15; 3,375
13. 6 5 6 × 6 × 6 × 6 × 6; 7,776
14. 0 4 0 × 0 × 0 × 0; 0
15. 7 4 7 × 7 × 7 × 7; 2,401
16. 5 5 5 × 5 × 5 × 5 × 5; 3,125
17. 1 8 1 × 1 × 1 × 1 × 1 × 1 × 1 × 1; 1
18. 3.5 2 3.5 × 3.5; 12.25
19. 2.53 2.5 × 2.5 × 2.5; 15.625
20. NEWSPAPERS Tamika delivered 50 2 newspapers last summer. Write 50 2 as a product of
the same factor. Then find the value. 50 × 50; 2,500
21. POPULATION One of the world’s smallest countries, Vatican City, has a population less
than 10 3 people. About how many people live in this country? 1,000
Course 1 • Chapter 6 Expressions
87