Download Assignment # ______ - Scientific Notation

Assignment # _______ Scientific Notation (Part 2)
Name _________________________
Standard: NS 1.1 Compare rational numbers in
scientific notation
Pre-Algebra, Period ________
Date __________________________
Example 1
Write each number in standard form.
b. 2.71 x 10–6
a. 8.9 x 105
8.90000
Add zeros while moving decimal point.
(Positive exponent? RIGHT)
890,000
Rewrite in standard notation.
000002.71
(Negative exponent? LEFT)
0.00000271
Write each number in standard form.
1. 7.4 x 103 = ________________________
2. 4.35 x 10–4 = __________________
3. 5.94 x 107 = ________________________ 4. 7.2 x 10–3 = ___________________
5. 2.104 x 10–3 = ______________________
6. 1.2 x 105 = ___________________
7. 8.071 x 10–2 = ______________________
8. 1.2 x 107 = ___________________
9. 13.064 x 10–4 = ______________________ 10. 5.23 x 107 = _________________
Write each number in scientific notation.
11. 53,300,000 = _______________________ 12. 0.000000702 = _______________
13. The length of a room is 5.048 x 102 cm. Which number is equivalent to this
length?
A 0.005048 cm
B 0.05048 cm
C 504.8 cm
D 504,800 cm
14. What is 0.00972 written in scientific notation?
A 9.72 x 10–2
B 9.72 x 10–3
C 9.72 x 10–4
D 9.72 x 10–5
15. Which number is equivalent to 7.21 x 10–3?
A 0.0721
B 0.00721
C 0.721
16. In the United States, 15,000,000
households use private wells for their
water supply. Write this number in
scientific notation.
D 0.000721
17. The United States has a total of
1.2916 x 107 acres of land reserved for
state parks. Write this number in
standard form.
18. The mass of Jupiter is about 1.9 x 1027 kilograms.
Write this number in standard form.
Evaluate the expression.
20. 8–2 =
21. 190 =
1 3
23.   
5 
24. 73 =
2 4
25.   
3 
27. 5–3 =
28. 4–3 =
19. 1551 =


29. 1,2340 =
3 3
22.   
5 

26. 2–4 =
30. 83 =