1. What is the value of x in log. 27 = - 3? В. з A. с. 9 D. 81 2. A earthquake is measured with wave amplitude of 1000 times as great as lo. What is the magnitude of this earthquake using Richter...


1. What is the value of x in log. 27 = - 3?<br>В. з<br>A.<br>с. 9<br>D. 81<br>2. A earthquake is measured with wave amplitude of 1000 times as great as lo. What<br>is the magnitude of this earthquake using Richter scale?<br>А. 2.0<br>в. 2.5<br>с. 3.0<br>D. 3.33<br>3. The two liters solution contains 0.00004 moles of hydrogen ions. What is its pH<br>level?<br>A. 4.10<br>В. 4.40<br>C. 4.60<br>D. 6.80<br>

Extracted text: 1. What is the value of x in log. 27 = - 3? В. з A. с. 9 D. 81 2. A earthquake is measured with wave amplitude of 1000 times as great as lo. What is the magnitude of this earthquake using Richter scale? А. 2.0 в. 2.5 с. 3.0 D. 3.33 3. The two liters solution contains 0.00004 moles of hydrogen ions. What is its pH level? A. 4.10 В. 4.40 C. 4.60 D. 6.80

Jun 05, 2022
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