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Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

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Page 1: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

1

Write the standard number 38,440 in scientific notation.

• A. 3.844 × 106 • B. 38.44 × 103 • C. 3.844 × 104 • D. 3.844 × 103

Page 2: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

2

Evaluate the following expression when n = -6.

5|n + 10|

• A. 20 • B. 80 • C. -20 • D. 9

Page 3: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

3

Simplify: 8 × 4 - 52 11 + 5 × 3

• A. 7/48

• B. 57/26

• C. 7/26

• D. -1/26

Page 4: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

4

The length of the side of a square is 45 units. What is the area of the

square?• A. 180 units squared• B. 90 units • C. 2025 units squared • D. 180 units

Page 5: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

5

Which inequality is graphed on the number line?

3 4 5

• A. x < -4 • B. x < -4 • C. x > -4 • D. x > -4

Page 6: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

6

Describe the solution to the system of equations below.

4x - y = 816x - 4y = 32

• A. The system has no solution. • B. The system has the unique solution (-6, -32). • C. The system has the unique solution (4, 8). • D. The system has infinitely many solutions of

the form y = 4x - 8 where x is any real number.

Page 7: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

7

Simplify: (5mn)2 x (5mn)4

• A. 56m6n6

• B. 56m7n7

• C. 58m8n8

• D. 58m7n7

Page 8: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

8

The cube above has a volume of 188.13 cubic units. Which of the following is the

cube's length?

• A. 2.865 units • B. 17.19 units • C. 11.46 units • D. 5.73 units

Page 9: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

9

The inside rail of a running track consists of a rectangle with a semicircle at each end as shown in the figure below.

Find the approximate area surrounded by the track rail.

• A. 2456 m2 • B. 1200 m2 • C. 1514 m2 • D. 160 m2

Page 10: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

10

Simplify:

• A. 1• B. m4

• C. m• D. m-14

Page 11: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

11

Which of the following equations fit this graph?

• A. y = -3x2 + 6x + 9 • B. y = -x2 + 9 • C. y = x2 - 9 • D. y = x2 + 6x + 9

Page 12: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

12

Determine the slope of the line above.

• A. 2 • B. 1/4 • C. 4 • D. -1/4

Page 13: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

13

Which inequality is graphed on the coordinate plane?

• A. y < 2x • B. y > 2x • C. y < 2x • D. y > 2x

Page 14: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

14

In the figure above, the angle ABC is

• A. 55° • B. 125° • C. 135° • D. 65°

Page 15: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

15

Write the standard number 0.0009381 in scientific notation.

• A. 93.81 × 10-5 • B. 9.381 × 10-2 • C. 93.81 × 10-4 • D. 9.381 × 10-4

Page 16: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

16

Which of the following equations is graphed above?

• A. y = x3 • B. y = |x| • C. y = x2 • D. y = x

Page 17: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

17

Which of the following graphs matches the table above?

• A. B.

• C. D.

x -4 0 4y 2 3 4

Page 18: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

18

The circumference of a circle equals 62.8 units. What is the circle's diameter?

(Let = 3.14.)

• A. 30 units • B. 20 units • C. 5 units • D. 10 units

Page 19: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

19

The perimeter of a rectangle equals 294 units, and its length equals 91 units. What is the width of the rectangle?

• A. 56 units • B. 28 units • C. 112 units • D. 203 units

Page 20: Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

20

The area of a triangle equals 160 square units, and its base equals 16 units. What is the triangle's height?

• A. 60 units • B. 40 units • C. 20 units • D. 10 units