An earthquake registered 7.4 on the richter scale. if the reference intensity of this quake was 2.0 × 1011, what was its intensity?

The intensity was

Step-by-step explanation:

We are given

An earthquake registered 7.4 on the Richter scale

so, RC=7.4

the reference intensity of this quake was 2.0 × 10^11

so,

now, we can use formula

now, we can plug values

now, we can solve for I

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