Question 1153141
{{{log(I[1]/I[2])= M[1] − M[2]}}}

given: {{{M[1]=8.0}}} and {{{M[2]=6.4}}}

{{{log(I[1]/I[2])= 8.0 -6.4}}}

{{{log(I[1]/I[2])= 1.6}}}

{{{I[1]/I[2]=antilog(1.6)}}}

{{{I[1]/I[2]=39.81072}}} ≈ {{{40}}}


or this way:

{{{log(I[1])=8.0}}}

{{{I[1]=antilog(8.0)}}}

{{{I[1]=100000000}}}

{{{log(I[2])=6.4}}}

{{{I[2]=antilog(6.4)}}}

{{{I[2]=2511886.4}}}


{{{I[1]/I[2]=100000000/2511886.4=39.81072}}} ≈ {{{40}}}