Algebra 1 AB Midterm Review - Day #1

Which expression is equivalent to $-5m^5n\cdot3m^2n^7?$  

•  $15m^{10}n^7$  

•  $-15m^{10}n^7$  

•  $15m^7n^8$  

•  $-15m^7n^8$  

Which expression is equivalent to

(2a²b⁴z)(6a³b²z⁵) ?

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

How do you solve:
(2x⁵)(6x⁴)

• MULTIPLY coefficients
  MULTIPLY exponents
• DIVIDE coefficients
  SUBTRACT exponents
• Combine like terms
• MULTIPLY coefficients
  ADD exponents

Which expression is equivalent to $5x^3\cdot2x$ ? 

• 10x³

• 7x³

• 10x⁴

• 7x⁴

Which expression is equivalent to
 $\left(5s^3t^6\right)^2?$  

•  $25s^5t^8$  

•  $25s^6t^{12}$  

•  $10s^5t^8$  

•  $10s^6t^{12}$  

According to exponent rules, when we raise a power to another exponent we _______ the exponents.

• add
• subtract
• multiply
• divide

Which expression is equivalent to $\left(a^2b\right)^4$ ? 

• a⁶b⁴

• a⁸b

• a⁸b⁴

• a²b⁴

Which expression is equivalent to $\left(-7x^3y^2\right)^2$ ? 

• 49x⁶y⁴

• -14x⁶y⁴

• -14x⁵y⁴

• -49x6y4

Which expression is equivalent to $-3\left(4x-2\right)?$  

•  $7x\ +5$  

•  $-7x-5$  

•  $-12x+6$  

•  $-12x-2$  

Which expression is equivalent to 3(2c - 5)?

• 6c - 15

• 6c + 15

• 6c + 15

• -6c - 15