Question

equacao exponenciais com incognita de ×
A) 2×=64

Answer 1

    x
2     =  64

   x           6
2     =   2

x = 6

Resp.: x = 6

************************
64: 2
32: 2
16: 2
8: 2
4: 2
2: 2
¨¨¨¨¨¨¨¨¨¨                    6
1  = 2.2.2.2.2.2 = 2