9/22 Algebra 1A Warm Up

 $\left(7x^2y^8\right)\left(3xy^4\right)=$  

•  $10x^2y^{12}$  

•  $21x^3y^{32}$  

•  $21x^3y^{12}$  

•  $21x^2y^{12}$  

 $\left(9k^3w^4\right)\left(3k^2w^4\right)=$  

•  $12k^5w^8$  

•  $27k^6w^{16}$  

•  $12k^5w^8$  

•  $27k^5w^8$  

Simplify the following:

y⁴ ⋅ y¹²

• y¹⁶

• y³

• 16y

• y⁴⁸

Simplify the following:

4 ⋅ 4²

• 4²

• 16²

• 4³

• 16³

Which is the right answer for this operation with powers?  $3x^3\ \cdot\ 5x^2$  

•  $8x^5$  

•  $15x^6$  

•  $15x^5$  

•  $15x$  

Simplify 2m⁴ • 5m²

• 10m⁶

• 10m⁸

• 7m⁶

• 7m⁸

Simplify the expression: r⁶ ⋅ r² ⋅ r³

• r⁶⁺²⁺³

• r¹¹

• 11r

x^{20 .} x¹⁰

• x³⁰

• x²⁰⁰

• 2x³⁰

• x¹⁰

6r *5r²

• 30r³
• 30r²
• 11r³
• 11r²

6m³n³ * 8m²n³

• 48m⁵n⁹
• 48m⁶n⁶
• 48m⁵n⁶
• none of the above