1.
|
(1/2)[32 + (40(-42))]
|
|
a.
|
–824 |
b.
|
219 |
c.
|
–1648 |
d.
|
15 |
2.
|
14 – 180
 5 |
|
a.
|
–22 |
b.
|
–33.2 |
c.
|
–4.9 |
d.
|
–161 |
3.
|
(1/2)[20 + (80(-39))]
|
|
a.
|
–3100 |
b.
|
–1550 |
c.
|
204 |
d.
|
30.5 |
4.
Evaluate the given expression if w = 17, x = 29, y = 48, and z = 8.
w + (1/x) + (1/y) + (1/z)
|
a.
|
17.18 |
b.
|
8.11 |
c.
|
94.13 |
d.
|
46.15 |
5.
Evaluate the given expression if x = 25, y = 10, w = 11, and z = 18.
(x – y)2 + 10wz
|
a.
|
1995 |
b.
|
3205 |
c.
|
–1755 |
d.
|
2205 |
6.
Find the value of (a/bn) if n = 4, b = 4, and a = 40,000.
|
a.
|
156.25 |
b.
|
1562.5 |
c.
|
2500 |
d.
|
10,000 |
7.
Find the value of x – yn if x = 1000, y = 10, and n = 4.
|
a.
|
 9000 |
b.
|
900 |
c.
|
990 |
d.
|
9000 |
Answers (highlight below)
- A Solve the innermost parentheses and the angular brackets and then divide by 2. 2.
- A First, divide and then subtract the result from 14.
- B Solve the innermost parentheses and the angular brackets and then divide by 2.
- A Evaluate the expression by replacing each variable with the corresponding number and then applying the order of operations.
- D Evaluate the expression by replacing each variable with the corresponding number and then applying the order of operations.
- A Find the value of 4 raised to the power of 4. Then, divide a with the value obtained.
- A Substitute the values of x, y, and n in the given equation to obtain the value of the given equation.
(source)