The decibel rating is 10 times the decimal logarithm of the ratio of the intensities.
64 dB thus corresponds to a decimal logarithm of 57. So, the signal to noise ratio is log(57) or 10^57 = 1.75587485567

Apr 6th, 2015

I meant 57 not 64 sorry lol

the answer is still correct in the bold

thank you and come back again. best answer me and accept my final answer.