Question

ratio

Use the formula 

R = log

I
I0
.

The world's strongest earthquake struck Chile in 1960 and measured 9.5 on the Richter scale. The 2010 Chilean quake at 8.8 was the world's sixth largest. Find the ratio of the intensities of the 1960 earthquake to the 2010 earthquake. (Round your answer to two decimal place.)


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