logarithm application magnitude of an earthquake\neach level is 10 times stronger than the previous…

logarithm application magnitude of an earthquake\neach level is 10 times stronger than the previous level\ndescription occurrence population movement\n1 small daily every minute small\n2 small daily every hour small\n3 small daily every day small\n4 small daily every week moderate sudden\n5 moderate monthly every 10 years strong sudden\n6 moderate monthly every 30 years strong sudden\n7 major monthly every 50 years severe sudden\n8 great yearly every 100 years very severe\n9 great yearly every 300 years very severe\nwatch on youtube richter scale of earthquake energy\nr = logleft(\frac{a}{a_0}\right) where (a) - the measure of the amplitude of the earthquake wave (a_0) the amplitude of the smallest detectable wave (or standard wave). an earthquake is measured with a wave amplitude 700 times as great as (a_0). what is the magnitude of the earthquake using the richter scale, to the nearest tenth? the earthquake registered on the richter scale. question help: video

logarithm application magnitude of an earthquake\neach level is 10 times stronger than the previous level\ndescription occurrence population movement\n1 small daily every minute small\n2 small daily every hour small\n3 small daily every day small\n4 small daily every week moderate sudden\n5 moderate monthly every 10 years strong sudden\n6 moderate monthly every 30 years strong sudden\n7 major monthly every 50 years severe sudden\n8 great yearly every 100 years very severe\n9 great yearly every 300 years very severe\nwatch on youtube richter scale of earthquake energy\nr = logleft(\frac{a}{a_0}\right) where (a) - the measure of the amplitude of the earthquake wave (a_0) the amplitude of the smallest detectable wave (or standard wave). an earthquake is measured with a wave amplitude 700 times as great as (a_0). what is the magnitude of the earthquake using the richter scale, to the nearest tenth? the earthquake registered on the richter scale. question help: video

Answer

Explanation:

Step1: Substitute values into formula

Given $A = 700A_0$, so $R=\log(\frac{700A_0}{A_0})=\log(700)$.

Step2: Calculate logarithm

$\log(700)\approx 2.8$.

Answer:

2.8