601
Name__________________________________________
Date_________________
Practice Test for Chapter 6 — Signed Numbers, Exponents, and Order of Operations
Show your work in the space provided.
Put the answer you want graded in the box provided.
1.
Validation is optional.
Write 7 × 7 × 2 × 2 in (a) exponent form, and (b) find the value.
Validate: optional
Answer 1a:
Answer 1b:
2.
⎛ 2 ⎞⎟
Simplify: ⎜⎜⎜ ⎟⎟
⎝ 3⎠
3.
Evaluate: 120 – (2)3 (3) ÷ 6
2
Answer 2:
Validate: optional
Validate: optional
Answer 3:
4.
Simplify: (0.3)2 + 0.6 × (0.2 + 5.8)
Validate: optional
Answer 4:
5.
Simplify: –1.7 + 12
Validate: optional
Answer 5:
Foundations of Mathematics
602
Show your work in the space provided.
Put the answer you want graded in the box provided.
6.
Validation is optional.
Simplify: –4.1 – 3.9
Validate: optional
Answer 6:
7.
Simplify: –16 + 9 – (–2) – 8
Validate: optional
Answer 7:
8.
⎛ ⎞⎛ ⎞⎛ ⎞⎛ ⎞
⎜⎝ 5 ⎠⎜⎝ 7 ⎠⎜⎝ 8 ⎠⎜⎝ 3 ⎠
Validate: optional
2 3
5 14
Evaluate: ⎜⎜− ⎟⎟⎟⎜⎜ ⎟⎟⎟⎜⎜− ⎟⎟⎟⎜⎜ ⎟⎟⎟
Answer 8:
9.
Simplify: –70 ÷ (–5)
Validate: optional
Answer 9:
10.
Simplify: 15 – (–18) ÷ 3
Validate: optional
Answer 10:
603
Practice Test for Chapter 6 — Signed Numbers, Exponents, and Order of Operations
Show your work in the space provided.
Put the answer you want graded in the box provided.
11.
Validation is optional.
Simplify: –10 + 5 + (–3) (8)
Validate: optional
Answer 11:
12.
Place in order from lowest to highest in value.
−3
−7
2
− 32
Validate: Not required for this problem.
8.9
Answer 12:
13.
Evaluate: (5) (7 + 2) ÷ 9
Validate: optional
Answer 13:
14.
⎛1⎞
Validate: optional
2
Simplify: 6 ⎜⎜⎜ ⎟⎟⎟ − 2
⎝ 2⎠
⎛ 1 ⎞⎟ ⎛ 2 ⎞⎟
⎜⎜ ⎟ − ⎜⎜− ⎟
⎜⎝ 3 ⎟⎠ ⎜⎝ 3 ⎟⎠
Answer 14:
Foundations of Mathematics
604
Show your work in the space provided.
Put the answer you want graded in the box provided.
15.
Simplify: 8 – 12 + 3 – 9
Validation is optional.
Validate: optional
Answer 15:
16.
Simplify: 92 + 9
Validate: optional
Answer 16:
17.
Evaluate: (2)3
Validate: optional
Answer 17:
18.
Simplify: 150 – 42 × 2
Validate: optional
Answer 18:
19.
Simplify: 5(10 – 8)2 + 2(6 – 4)
Validate: optional
Answer 19:
605
Practice Test for Chapter 6 — Signed Numbers, Exponents, and Order of Operations
Show your work in the space provided.
Put the answer you want graded in the box provided.
20.
Simplify: (1.1)2 + 8.6 ÷ 2
Validation is optional.
Validate: optional
Answer 20:
21.
Simplify:
1 ⎛⎜ 1 ⎞⎟
+ ⎜− ⎟
3 ⎜⎝ 2 ⎟⎠
Validate: optional
Answer 21:
22.
Simplify: −
5 ⎛⎜ 1 ⎞⎟
− ⎜− ⎟
12 ⎜⎝ 4 ⎟⎠
Validate: optional
Answer 22:
23.
Simplify: –(4.0) (–3.2) (–8)
Validate: optional
Answer 23:
Foundations of Mathematics
606
Show your work in the space provided.
Put the answer you want graded in the box provided.
24.
1
Validation is optional.
⎛ 3 ⎞⎟
⎜
Validate: optional
Evaluate: 2 ÷ ⎜⎜⎝− 5 ⎟⎟⎠
Answer 24:
25
Simplify: 16 – 4(8) + 18 ÷ (–9)
Validate: optional
Answer 25:
26.
Simplify: 3 + 8 – 7 + 2
Validate: optional
Answer 26:
27.
Simplify: (2 – 5) (–8) (4)
Validate: optional
Answer 27:
607
Practice Test for Chapter 6 — Signed Numbers, Exponents, and Order of Operations
Show your work in the space provided.
Put the answer you want graded in the box provided.
28.
Simplify: 5 (3 – 1) + 6 (–8)
Validation is optional.
Validate: optional
Answer 28:
29.
Place in order from smallest to largest.
−
1
5
−2
2.1
Validate: Not required for this problem.
0
Answer 29:
30.
Place in order from lowest to highest in value.
−0.82
− 8.4
− 0.8
Validate: Not required for this problem.
− 4.12
Answer 30: