Answer:
see explanation
Step-by-step explanation:
(a)
Expressed as the product of its prime factors
324 = 2² × [tex]3^{4}[/tex]
(b)
[tex]\sqrt{324}[/tex]
= [tex]\sqrt{2^2}[/tex] × [tex]\sqrt{3^{4} }[/tex]
= 2 × 3²
= 2 × 9
= 18
