Question

25 points! Just checking is the answer 20y^8y^3

Answer 1

Answer:

$\boxed{D. 20 {x}^{6} {y}^{4}}$

Step-by-step explanation:

$(5 {x}^{2} y)(4 {x}^{4} {y}^{3} ) = 20 {x}^{6} {y}^{4}$

Rule need to remember to solve such questions:

${a}^{x} \times {a}^{y} = {a}^{x + y}$

Answer 2

Answer:

No its the fourth option

Step-by-step explanation:

Add common expressions