Question

а)√121*0,01 б)√343/√7

Answer 1

$sqrt{121*0,01}=11*0,1=1,1$

 

$frac{sqrt{343}}{sqrt7}=sqrt{frac{343}{7}}=sqrt{49}=7$

Answer 2

$sqrt{121*0.01}=sqrt{121}*sqrt{0.01}=sqrt{11^2}*sqrt{0.1^2}=11*0.1=1.1$

 

$frac{sqrt{343}}{sqrt{7}}=sqrt{frac{343}{7}}=sqrt{49}=sqrt{7^2}=7$