Easy Algebra Step-by-Step

(Marvins-Underground-K-12) #1

Computation with Real Numbers 31


Exercise 2


For 1–3, simplify.


  1. − 45

  2. 58
    3. − 52
    3


For 4 and 5, state in words.


  1. − 9 +−()(− =− 9 + 4 5. − 9 −()(− =− 9 + 4


For 6–20, compute as indicated.


  1. −+ 80 − 40
    7.^077 +−^141.

  2. ⎝⎜⎛⎛⎝⎝⎛− ⎞⎠⎟⎞⎞⎠⎠⎛⎛⎛⎝⎝⎝⎜ ⎞⎠⎟⎞⎞⎠⎠


5
6

2
5

9.

18
− 3


  1. ()− ()−
    11.^1
    2


()^400 ⎛⎝⎜⎛⎛⎝⎝ ⎞⎠⎟⎞⎞⎠⎠

12.



11
3
1
3


  1. −− 450. (^9595) ()(−


14.^3
11


5
11

−−⎛⎛⎝⎝⎛⎝ ⎞⎠⎟⎞⎞⎠⎠

15.

08
− 001


  1. −+^4580

  2. 41
    2


33
5

5
17


⎝⎜

⎛⎛
⎝⎝


⎠⎟

⎞⎞
⎠⎠

⎛−
⎝⎜

⎛⎛
⎝⎝


⎠⎟

⎞⎞
⎠⎠()

(^0) () 999 ⎛−
⎝⎜
⎛⎛
⎝⎝

⎠⎟
⎞⎞
⎠⎠


18.^0
875


19.

700
0


  1. ()− ())()()− 1 ()(− ()− )(()()−

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