Unit 3 Post Assessment Extra Credit

What operation do you use with exponents?

• addition
• subtraction
• multiplication
• division

Write each product using an exponent. 
7 x 7 x 7 x 7 x 7 x 7 x 7 x 7 

• 7⁷
• 7⁸
• 8⁷
• 7⁹

Write the following in expanded form. 
10³

• 10+10+10
• 10x10x10
• 3x10
• 1,000

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

• 12
• 81
• 7
• 95

A letter used to represent a number value in an expression or an equation

• term

• coefficient

• constant

• variable

A number that does not change (it stands alone without any variable attached)

• constant

• coefficient

• variable

• term

A number used to multiply a variable. It is the number "attached" to a variable.

• constant

• coefficient

• term

• expression

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4
• 10f + 9
• 10f + 20
• 30f

Find an equivalent expression for the given expression: 36x + 24

• 4(9x + 7)
• 4(9x + 8)
• 2(18x + 12)
• 12(3x + 3)