8th Grade Math
Unit 2: Exponents
Scientific Notation
Name:
Worksheet 8GM 2.4
Write each number in scientific
notation.
1. 3,800
Write each number in standard
notation.
3. 4.9  104
4. -6.3  103
2. 527,000,000
Check yourself: 1) 3.8  103 2) 5.27  108 3) 49,000 4) -6,300
Write each number in scientific notation.
5. 7,860,000
8. 17.4 million
6. 468
9. 6 billion
7. 239.72
10. -150
Write each number in standard notation.
11. 5.27  108
14. -9  103
12. 6.21  104
15. 8.5973  102
13. 3.2  101
16. 4.8  100
Indicate >, < or =.
17. 3.25  107

1.32  109
18. 259,000

2.59  105
over
Simplify.
19. 3(8 – 6)2 =
20. 3 + 8  2 – 10
21.
−2−3(4)
6−4
=
22. 2(4 + 6)(3 − 2)=
23. (3 – 4)4 – (8 – 5)2 =
24. -6 – (-5) =
Answer bank for questions 19 - 24
(note that there are two extra answers listed):
-11
-1
-8
8
-7
12
-3
20