Quiz about Expressions and Exponents

Question 1

54=

Accepted Answer

625

Answer

20

Answer

1024

Question 2

Find the equivalent expression.

(15)(15)(15)(15)

Accepted Answer

154

Answer

415

Answer

15x4

Answer

15+15+15+15

Question 3

How do you write (2)(2)(2)(2) with an exponent?

Accepted Answer

24

Answer

42

Answer

22

Question 4

A scientist reports that a bacteria culture contains 3⁴ bacteria.
How many bacteria is that?

Accepted Answer

81

Answer

12

Answer

7

Answer

95

Question 5

Find the equivalent expression.

(9)(9)(9)(9)(9)

Accepted Answer

95

Answer

915

Answer

9(5)

Answer

9 + 9 + 9 + 9+ 9

Question 6

Which is equivalent to 2⁴

Accepted Answer

16

Answer

8

Answer

20

Answer

12

Question 7

Write 20(20) using an exponent.

Accepted Answer

202

Answer

400

Answer

220

Answer

40

Question 8

Write 6.5(6.5) using exponents.

Accepted Answer

6.52

Answer

26.5

Answer

13

Answer

42.25

Question 9

Write 4⁸as a product of the same factor.

Accepted Answer

4 x 4 x 4 x 4 x 4 x 4 x 4 x 4

Answer

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4

Answer

8 x 8 x 8 x 8

Answer

4 x 8

Question 10

Find the value of 2³

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Question 11

3 more than x

Accepted Answer

3 + x

Answer

3x

Answer

x - 3

Question 12

The quotient of a number and 8

Accepted Answer

g/8

Answer

8g

Answer

8/g

Answer

g+8

Question 13

The product of 7 and j..

Accepted Answer

7j

Answer

j+3

Answer

j-3

Answer

j/3

Question 14

Evaluate the expression:

(10+5) -6

Accepted Answer

9

Answer

10

Answer

11

Answer

12

Question 15

4²x 4³⁼

Accepted Answer

45

Answer

16

Answer

42

Question 16

Evaluate this expression using the quotient rule.

Accepted Answer

95

Answer

99

Answer

15

Answer

9-5

Question 17

Evaluate the expression using the quotient rule.

Accepted Answer

x5

Answer

x13

Answer

x36

Answer

x-5

Question 18

Question 18.

Accepted Answer

56

Answer

58

Answer

52

Answer

1

Question 19

Find the value of the power 256⁰

Accepted Answer

1

Answer

256

Answer

0

Answer

-256

Question 20

Find the value of the power 10²

Accepted Answer

100

Answer

20

Answer

10

Answer

1000

Question 21

Find the value of the power 89⁰

Accepted Answer

1

Answer

89

Answer

1/89

Answer

89/1

Question 22

3x + 8   if x = 2

Accepted Answer

14

Answer

13

Answer

15

Answer

16

Question 23

Evaluate the expression 7/q for q = 7. Simplify your answer.

Accepted Answer

1

Answer

7/7

Answer

14

Answer

0

Question 24

Evaluate the expression for n = 2 and p = 7.
np =

Accepted Answer

14

Answer

9

Answer

5

Answer

15

Question 25

Evaluate the expression for v = 3 and w = 3.
vw + w =

Accepted Answer

12

Answer

14

Answer

6

Answer

9

Question 26

Evaluate 7y - 3y for y=2

Accepted Answer

8

Answer

40

Answer

73

Answer

4

Question 27

What is equivalent to 5 squared?

Accepted Answer

25

Answer

10

Answer

55

Answer

30

Question 28

What is 1/2 squared?

Accepted Answer

1/4

Answer

1/2

Answer

1

Answer

4

Question 29

What is 1/4 squared?

Accepted Answer

1/16

Answer

1/4

Answer

1/8

Answer

1/2

Question 30

Solve.
(¹/₂)³

Accepted Answer

1/8

Answer

3/6

Answer

3/8

Answer

Answer Not Given

Question 31

(2/3)4

Accepted Answer

24/34

Answer

8/12

Answer

24/3

Answer

2434

Question 32

Anything raised to a power of zero is always:

Accepted Answer

1

Answer

0

Answer

itself

Answer

negative

Question 33

4²x 4³⁼

Accepted Answer

45

Answer

16

Answer

42

Question 34

6⁵⁰x 6⁹

Accepted Answer

659

Answer

6450

Answer

641

Question 35

12³x 12⁸⁰

Accepted Answer

1283

Answer

12

Answer

12240

Question 36

Find the value of 10⁴

Accepted Answer

10,000

Answer

40

Answer

1,000

Answer

400

Question 37

Which is NOT equivalent to 2³

Accepted Answer

6

Answer

800%

Answer

4(2)

Answer

32/4

Question 38

Which is the same:
Six less than a number is twenty.

Accepted Answer

n-6=20

Answer

6-n=20

Answer

6n=20

Answer

20-6=n

Question 39

Which of the following is equal to:
a + b

Accepted Answer

b + a

Answer

a * b

Answer

b - a

Answer

a - b

Question 40

Solve:
10m+2+7m-3+5m if m = 2

Accepted Answer

43

Answer

33

Answer

20

Answer

0

Question 41

90 - 5² x 3

Accepted Answer

15

Answer

240

Answer

195

Question 42

7 + (12-3)²

Accepted Answer

88

Answer

256

Answer

10

Answer

13

Question 43

Suppose you start a lawn care business in the summertime. You charge a flat fee of $10 plus $4 per hour (h). Write an expression to represent this situation and determine how many hours you need to work in order to make at least $30 for one lawn.

Accepted Answer

10 + 4h; 5 hours

Answer

10h + 4h; 2 hours

Answer

10h + 4; 2.6 hours

Answer

4h; 7.5 hours

Question 44

Kim wants to take her friends to Hershey Park for her birthday party. Adult tickets are $36 each and child tickets are $25 each. In addition, there is a flat fee of $15 for parking. Write an expression that could be used to calculate the cost of Kim's party, and determine the cost if 5 parents and 12 children went.

Accepted Answer

36x + 25y + 15; $495

Answer

61x + 15; $1052

Answer

36 + 25x + 15y; $351

Answer

x + y + 15; $250

Question 45

A carpenter uses 3 hinges to put up a door. He puts up four doors on the first floor and s doors on the second floor. Write an expression to represent this situation, and determine how many doors he put up on the second floor if he used 27 hinges overall.

Accepted Answer

12 + 3s; 5 doors

Answer

3s; 9 doors

Answer

12s + 3; 2 doors

Answer

9s; 3 doors

Question 46

During a sale on DVD's, the first DVD purchased costs $15, and each additional DVD costs $10. Write an expression to represent the total cost of the DVD's, and determine how many Jose bought if he spent $55.

Accepted Answer

15 + 10x; 4 DVD's

Answer

15x + 10; 3 DVD's

Answer

25x ; 2 DVD's

Answer

15x + 10x; 5 DVD's

Question 47

A gymnastics center charges a $60 registration fee and $15 per class. Which expression determines how much money Olivia will pay for gymnastics if x is the number of classes?

Accepted Answer

15x + 60

Answer

60 - 15x

Answer

15x - 60

Answer

210 + 15x

Question 48

Write an expression that could be used to determine the perimeter of the figure shown below.

Accepted Answer

10x + 2

Answer

6x + 2

Answer

5x + 1

Answer

x + 1

Question 49

Suppose Brian's monthly income can be represented by the expression 8x + 140 and David's monthly income can be represented by the expression 5x + 100. What is the difference in their monthly incomes?

Accepted Answer

3x + 40

Answer

13x + 240

Answer

3x + 240

Answer

8x + 140 + 5x

Question 50

Kim goes to the mall where she buys a pair of shoes that cost $80 and x shirts that cost $19.99 each. Which expression represents the total amount that Kim spent?

Accepted Answer

80 + 19.99x

Answer

80x + 19.99

Answer

99.99x

Answer

none of the above

Question 51

The table shown below represents the number of hours that Mike practiced his guitar each day. Which expression represents the total amount of time that Mike practiced his guitar?

Accepted Answer

7x + 3

Answer

10x

Answer

8x + 3

Answer

none of the above

Question 52

Which situation can be represented by the expression 1.3x?

Accepted Answer

the area of a rectangle with side lengths 1.3 and x

Answer

the total cost of an item that is x dollars more than $1.30

Answer

the amount of change when $1.30 is used to pay for an item costing x dollars

Answer

the number of square feet in each lot when 1.3 acres is partitioned into x equal sections

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