Unit 4: Expressions Review

What is 8 x 8 x 8 x 8 written using an exponent?

• 4,096
• 4⁸
• 8⁴
• 4 x 8

Find the value of the expression:
 $16-8+5$  

• 3

• 29

• 15

• 13

Find the value of:
5 + 3³ ÷ 9 x 2

• 11
• 7
• 17
• 3.1

Find the value of:
 $\left(24-5\right)\times2+\left(9-3\right)$  

• 44

• 12

• 48

• 15

What is the value of 3 + 7m
if m = 4?

• 77
• 14
• 15
• 31

What is the value of 6r + 8

if r = ³/₄

• 14 ⅔

• 12 ¹/₂

• 11

• 10 ⅓

Mark had 45 Oreos.  If he wanted to eat 7 per day for d days, he will have 45 - 7d Oreos left.  How many Oreos will Mark have left after 5 days?

• 70
• 30
• 10
• 40

Which is the correct algebraic expression for this phrase?
19 less dollars than Terry

• t - 19
• 19 - t
• 19t
• 19 + t

Which is the correct algebraic expression for this phrase?
one third of the cookies in the jar

• j - 3
• 3j
• j ÷ 3
• 3 ÷ j

Which is the correct algebraic expression for this phrase?
8.2 times as many fish

• 8.2f
• 8.2 + f
• f ÷ 8.2
• 8f