Question

\(\sqrt{\dfrac{225}{256}}\)

\(\sqrt{0,0196}\)

Answer 1

a, \(\sqrt{\dfrac{225}{256}}=\sqrt{\dfrac{15^2}{16^2}}=\dfrac{15}{16}\)

b, \(\sqrt{0,0196}=\sqrt{\dfrac{49}{2500}}=\sqrt{\dfrac{7^2}{50^2}}=\dfrac{7}{50}\)

Chúc bạn học tốt!!!

Answer 2

\(\sqrt{\dfrac{225}{256}}=\sqrt{\dfrac{15}{16}}=0,9375\)

\(\sqrt{0,0196}=0,14\)