Respuesta :

Answer:

15 and 270

Step-by-step explanation:

Using the rule of radicals

[tex]\sqrt{a}[/tex] × [tex]\sqrt{a}[/tex] = a

[tex]\sqrt[3]{a}[/tex] × [tex]\sqrt[3]{a}[/tex] × [tex]\sqrt[3]{a}[/tex] = a

(a)

Given

([tex]\sqrt{5}[/tex] )² × ([tex]\sqrt{3}[/tex] )²

= 5 × 3

= 15

(b)

Given

([tex]\sqrt[3]{9}[/tex] )³ × ([tex]\sqrt{30}[/tex] )²

= 9 × 30

= 270