Question

a, \(\sqrt{45.80}\) 

b, \(\sqrt{75.48}\)

Answer 1

a) \(\sqrt{45.80}=\sqrt{3600}=60\)

b) \(\sqrt{75.48}=\sqrt{3600}=60\)

Answer 2

\(\sqrt{45.80}=\sqrt{9.5.5.16}=\sqrt{9}.\sqrt{5^2}.\sqrt{16}=3.4.5=60\)\(\sqrt{75.48}=\sqrt{25.3.3.16}=\sqrt{25}.\sqrt{3^2}.\sqrt{16}=5.3.4=60\)

Answer 3

a)

b) 

Answer 4

a) \(\sqrt{45\cdot80}=\sqrt{3600}=60\)

b) \(\sqrt{75\cdot48}=\sqrt{3600}=60\)