Answer:
Step-by-step explanation:
[tex]1) \sqrt{16}= \sqrt{4*4}=4\\\\\\2) \sqrt{17}[/tex]
This is the simplest form as 17 is a prime number.
[tex]3) \sqrt{18}= \sqrt{2*3*3} = 3 \sqrt{2}\\\\\\4) \sqrt{19}[/tex]
19 is a prime number. so it is the simplest form.
[tex]5) \sqrt{20}= \sqrt{2*2*5}=2 \sqrt{5}[/tex]
