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# On the Richter scale for measuring earthquake strength, an earthquake

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Math Expert
Joined: 02 Sep 2009
Posts: 62498
On the Richter scale for measuring earthquake strength, an earthquake  [#permalink]

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14 Aug 2019, 23:17
00:00

Difficulty:

25% (medium)

Question Stats:

74% (01:28) correct 26% (02:30) wrong based on 19 sessions

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On the Richter scale for measuring earthquake strength, an earthquake with a given reading on the scale is 10 times stronger than an earthquake with a reading of 1 less on the scale. If earthquake A measures 2 on the scale and earthquake B is 1,000 times stronger than earthquake A, how does earthquake B measure on the scale?

A. 25
B. 5
C. 7.25
D. 2(310)
E. 210 + 103

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Math Expert
Joined: 02 Sep 2009
Posts: 62498
Re: On the Richter scale for measuring earthquake strength, an earthquake  [#permalink]

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14 Aug 2019, 23:19
Bunuel wrote:
On the Richter scale for measuring earthquake strength, an earthquake with a given reading on the scale is 10 times stronger than an earthquake with a reading of 1 less on the scale. If earthquake A measures 2 on the scale and earthquake B is 1,000 times stronger than earthquake A, how does earthquake B measure on the scale?

A. 25
B. 5
C. 7.25
D. 2(310)
E. 210 + 103

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Re: On the Richter scale for measuring earthquake strength, an earthquake   [#permalink] 14 Aug 2019, 23:19
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