how can i fine answer

$4\times\sqrt{196}$

$4\times14$

$56$

what is 4 square of 196

Do you mean

$\sqrt[4]{196}\qquad?$

the square root of 196 is 14 so the 4th root is

 $\sqrt{14}$

on any calc you can put it in as        14 ^  (1/4)

to get an approximation

4^2 x 196

= 16 x 196

=3136