Lesson 14: Evaluating Expressions with Exponents | Unit 6: Expressions and Equations

Multiple Select

Lin says, “I took the number 8, and then multiplied it by the square of 3.” Select **all** the expressions that equal the result of Lin’s operations.

• $$8\cdot2^3$$

• 72

• $$3^2\cdot8$$

• $$8\cdot3^2$$

• $$(8\cdot3)^2$$

Multiple Choice

Find the value of the expression $$7 + 2^3$$ .

• 15
• 9
• 10
• 12

Multiple Choice

What is the value of the expression $$9 \cdot 3^1$$ ?

• 18
• 27.5
• 27
• 30

Multiple Choice

Find the value of the expression $$20 - 2^4$$ .

• 4
• 10
• 16
• 8

Multiple Choice

Find the value of the expression $$2 \cdot 6^2$$ .

• 48
• 36
• 60
• 72

Multiple Choice

What is the value of the expression $$8 \cdot (\frac{1}{2})^2$$ ?

• 3
• 4
• 2
• 1

Multiple Choice

What is the value of the expression $$\frac{1}{3} \cdot 3^3$$ ?

• 9
• 6
• 12
• 15

Multiple Choice

What is the value of the expression $$(\frac{1}{5} \cdot 5)^5$$ ?

• 0
• 5
• 25
• 1

Multiple Select

Andre says, “I multiplied 4 by 5, then cubed the result.” Select **all** the expressions that equal the result of Andre’s operations.

• $$(4 \cdot 5)^2$$

• $$4 \cdot 5^3$$

• 8,000

• $$20^3$$

• $$(4 \cdot 5)^3$$

Multiple Choice

Han has 10 cubes, and each cube has an edge length of 5 inches. Which expression with an exponent represents the total volume of Han’s cubes, in cubic inches?

• 10 * (5^3)
• (10^3) * 5
• 5 * (10^3)
• 10 * (5^2)