Respuesta :

Answer:

8.37

Step-by-step explanation:

This is an old method of finding square roots:

          8 . 3 6 6

        ________________

       | 70. 00, 00, 00

       | 64

163  | 600

        | 489

1666  |  11100

             9996

16726     110400

Math teachers used this method before calculators.