Question

 4y² × 5y³
a. 9y⁵

b.20y⁵

c. 9y⁶

d. 20y

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Answer 1

4y^2 x 5y^3 =( 4*5) y^2+3

= 20y^5

Answer 2

Step-by-step explanation:

The question is :-

$4{y}^{2} \times 5 {y}^{3}$

Using The Formula :-

$x \times y = xy$

the solution is :-

$4 {y}^{2} \times 5 {y}^{3} \\ (4 \times 5) \times ( {y}^{2 + 3} ) \\ 20 \times {y}^{5} \\ 20 {y}^{5}$

The answer is :-

$20 {y}^{5}$

So,

Option (b) is correct..

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