Topic 3: Expressions Unit Review

Evaluate 3³.

• 9

• 6

• 27

• 12

Evaluate $\left(\frac{2}{3}\right)^2$  .

• 2/6

• 4/6

• 4/9

• 2/9

Evaluate 0.1³.

• 0.1

• 1

• 0.01

• 0.001

What is the expanded form of 4⁹.

• 9x4

• 9x9x9x9

• 4x4x4x4x4x4x4x4x4

• 6561

The numbers 4, 2, and 7 can all be identified as what in the following expression?

• Coefficients

• Variables

• Exponents

• Constants

The number -5^3 or -125 can be identified as what in the following expression because it is a number by itself?

• Coefficient

• Variable

• Expression

• Constant

The letters x and y can be identified as what in the following expression?

• Coefficients

• Variables

• Exponents

• Constants

The number 5³ can also be written as 5x5x5, because I am multiplying 5 (the _______) times itself.

• Coefficient

• Variable

• Exponent

• Base

The number 3 can ALSO be identified as what in the following expression?

• Constant

• Variable

• Exponent

• Base

How many terms are in the following expression?

• 1

• 2

• 3

• 4