Need help finding M for all including the KC value. Very lost PLEASE help me.

Back to Main Menu - Carlos is currently logged in. 0.15 Points deducted Try 1 (0.5 points) Try 2 (0.35 points) Try 3(0.25 points) Enter answer(s) and click the Submit button. Tolerance 62: \pm 1 in the 3rd Sig Fig More Information ID 62: Answer Incorrect Try 1: 0.00000238 Carlos, please try the problem again. Use the information below to enter the correct answer. - Your answer, 0.00000238, is incorrect by more than 10 percent. In addition, the correct answer is a positive number whose " E " value is -4 when expressed in scientific notation and has a minimum of 3 Sig Figs. - Make sure your calculation is using the numbers exactly as they appear on this webpage. Do Not use rounded numbers or numbers containing more (or less) Back to Main Menu - Carlos is currently logged in. 0.15 Points deducted Try 1 (0.5 points) Try 2 (0.35 points) Try 3(0.25 points) Enter answer(s) and click the Submit button. Tolerance 62: \pm 1 in the 3rd Sig Fig More Information ID 62: Answer Incorrect Try 1: 0.00000238 Carlos, please try the problem again. Use the information below to enter the correct answer. - Your answer, 0.00000238 , is incorrect by more than 10 percent. In addition, the correct answer is a positive number whose "E" value is -4 when expressed in scientific notation and has a minimum of 3 Sig Figs. - Make sure your calculation is using the numbers exactly as they appear on this webpage. Do Not use rounded numbers or numbers containing more (or less) Back to Main Menu - Carlos is currently logged in. 0.15 Points deducted Try 1 (0.5 points) Try 2 (0.35 points) Try 3(0.25 points) Enter answer(s) and click the Submit button. Tolerance 62: \pm 1 in the 3rd Sig Fig More Information ID 62: Answer Incorrect Try 1: 0.00000238 Carlos, please try the problem again. Use the information below to enter the correct answer. - Your answer, 0.00000238, is incorrect by more than 10 percent. In addition, the correct answer is a positive number whose "E" value is -4 when expressed in scientific notation and has a minimum of 3 Sig Figs. - Make sure your calculation is using the numbers exactly as they appear on this webpage. Do Not use rounded numbers or numbers containing more (or less)