Exponents
What is the base of the power 67?
6
What is the prime factorization of 110?
An expression is shown.
18 – 3 (1 + 5)
What is the value of the expression?
0
A restaurant bill for $47.50 is divided equally among 5 people. How much does each person pay?
$9.50
Which situation could be represented by -8?
A) A debt of $8
B) An elevation of 8 feet above sea level
C) A gain of 8 yards in football
D) A temperature of 8 F
A) A debt of $8
Which power has a base of 2 and an exponent of 3?
23=8
What is the prime factorization of 90?
2 x 32 x 5
or
2 x 3 x 3 x 5
What is the value of the expression?
9 + 42 ÷ 2
30
What is the value of any nonzero number raised to the power of 0?
1
Paul has a given number of square floor tiles to be arranged so that each row has the same number of tiles. Two possible arrangements are listed below.
8 rows of 12 tiles
16 rows of 6 tiles
How many tiles does Paul have?
96 tiles
Which expression represents "2 to the sixth power"?
Which number is a prime factor of 210?
A) 7
B) 9
C) 11
Which operation should be performed first when simplifying the expression below?
4 + 12 – 5 x 7
5 x 7
Multiplication
Which power has a greater value?
16 or 52
52=25
Mrs. Armstrong has two math classes. One class has 28 students. The other class has 32 students. For a project, she wants to divide each class into the largest possible number of equal groups, with no students left over.
Hint: GCF
4
Which expression is equivalent to 9 x 9 x 9 x 9?
94
Which expression shows the prime factorization of 66?
2 x 3 x 11
Which step should be performed first when simplifying 25 – (14 - 8) + 3 x 2?
(14-8)
Parenthesis
What is 17 x 17 x 17 as a power?
173
Wooden blocks are stacked to form a cube 4 blocks wide, 4 blocks long, and 4 blocks high.
Which power represents the number of blocks used?
What is the total amount of blocks used to form the cube?
43
64
Which power has a value of 27?
33
What is the prime factorization of 42?
2 x 3 x 7
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At an online bookstore, Alicia downloads 3 books for $9 each and 2 magazines for $4 each. Write an expression that represents the total amount of money she spends.
(3 x 9) + (2 x 4)
A hiker is at an elevation greater than 300 feet above sea level. If the hiker descends exactly 300 feet, which sentence about her elevation is true?
A) She will be below sea level.
B) She will be at sea level.
C) She will be at an elevation greater than sea level, but less than 300 feet.
D) She will be at an elevation greater than 300 feet above sea level.
B) She will be at sea level.
A sporting goods store wants to display 64 sneakers in rows. Each row must contain the same number of sneakers. Which of the arrangements is not a possible arrangement?
A) 4 rows of 16 sneakers
B) 8 rows of 8 sneakers
C) 3 rows of 21 sneakers
D) 2 rows of 32 sneakers
C) 3 rows of 21 sneakers