13/03/30 22:48:42.38
>>525
0.7^x = 0.1
log(0.7^x) = log(10^(-1))
x log(0.7) = (-1) log(10)
x = -1 / log(0.7)
13/03/30 22:48:42.38
>>525
0.7^x = 0.1
log(0.7^x) = log(10^(-1))
x log(0.7) = (-1) log(10)
x = -1 / log(0.7)
13/03/30 22:48:42.38
>>525
0.7^x = 0.1
log(0.7^x) = log(10^(-1))
x log(0.7) = (-1) log(10)
x = -1 / log(0.7)