Question

Qual a raiz quadrada de 1.600

Answer 1

1600 | 2
  800 | 2
  400 | 2
  200 | 2
  100 | 2
    50 | 2
    25 | 5
      5 | 5
      1 | 

√1600 = √ 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 = √64.√25 = 8 . 5 = 40

√1600 = 40