Question

はっさく

10と11の答えを至急お願いします😭

9. Arecent earthquakce measured 6.8 on the Richter scale- How many mmes mnore
intense was this earthquake than an earthquake thatmeasured 生3.on the Richter
Scale?                                                                             と

BS          /タ

はを     1    / イン
2            c (3 7の クンァ

10.Find the concentration of hydrogen ions, [HH], for vinegar wiFh ap持=3.L

3      ッイ                   2
 ブ                   6
ア

MA! =  0  .ら5
11.Soft-recorded music is about 4000 tmes the minimmum intensity of sound detectable
by the human ear. Find the joudness in deabels.

スクの

12J Eariy in the centry an earthguake measured 8.0 on the Richter scale. In the same
year, another earthquake Was recorded that measured six me SCoRger on the
Richter scale- What was the magnitude of the earthquake Of the sronger