Question

1. Обчислити: 1)√64=
2)√3969=
3)√9/25=
4)√0,0009=

Answer 1

1) $\sqrt{64}=8$, т.к. $8^2=64$

2) $\sqrt{3969}=63$, т.к. $63^2=3969$

3) $\sqrt{\frac{9}{25} }=\frac{3}{5}$, т.к. $(\frac{3}{5} )^2=\frac{9}{25}$

4) $\sqrt{0,0009}=0,03$, т.к. $0,03^2=0,0009$