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

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.

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

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