Chapter 4 Extra support questions
1. Complete the following
|
x |
2x |
2 X |
3 X |
|
3 |
|
|
|
|
(-3) |
|
|
|
|
4 |
|
|
|
2. Simplify:
4
3. Write 1.65 x 10 in expanded notation.
4. Write 91.65 in scientific notation.
5. Simplify the following expression and leave your answer with positive exponents only.
6.
Divide
7. Multiply
8.
Simplify
9.
Add the following:
4X+8x
10.
Simplify
10 x-12x+2x
11. Simplify 
12. Simplify 
Questions 13-18
Simplify each of the following expressions and leave your answer with positive
exponents only.
13. 
14. 
15. 
16. 
17. 
18. 
19. Write 491000000 in scientific notation.
20. Write 
in expanded notation.
21. Simplify. 
Write your answer in scientific notation.
22. Add 
23. Subtract 
24-27 Multiply each of the following
24. 
25. (3x +4)(2x-5)
26. 
27. 
28. Divide 
by 
.
29. Divide 
30. Divide
31. Simplify 
32. Subtract
5x-8 from 9x-10
33. Multiply (x+8)
(x+8)
34. Multiply 
35. Divide 
Answers
1.
|
x |
2x |
2 X |
3 X |
|
3 |
6 |
9 |
27 |
|
(-3) |
-6 |
9 |
-27 |
|
4 |
8 |
16 |
64 |
2.
0.16
3. 16500
1
4.
9.165 x 10
5.
6.
7.
8.
9. 12x
10.
zero
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
0.00000324
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32. 
33.
34.
35.
2x+3