Question

Qual a raiz quadrada de 64

Answer 1

Vamos fatorar o 64:
64 | 2
32 | 2
16 | 2
  8 | 2
  4 | 2
  2 | 2
  1 
Entao 64 = 2⁶ = 2³ * 2³ = 8 * 8 = 8²
Logo:
√64 = √8² = 8

Answer 2

64/2 
32/2
16/2
8/2
4/2
2/2
1 

64 = 2 x 2 x 2 x 2 x 2 x 2 = 2² x 2² x 2² = 8²

64 = 8²

√64 = √8² 

√8² = 8                     ok