Solve the Equation $10 ^ { 9 x - 1 } - 8,000 = 110,000$

question 169

Multiple Choice

Solve the equation. Write the solution set with the exact values given in terms of natural or common
logarithms. Also give approximate solutions to 4 decimal places, if necessary.
- $10 ^ { 9 x - 1 } - 8,000 = 110,000$ ; use common logarithms

• A)
• \(\left\{ \frac { \log 118,000 + 1 } { 9 } \right\} ; x \approx 0.6747\)
• B) \(\left\{ \frac { \log 118,000 + 1 } { \log 9 } \right\} ; x \approx 6.3630\)
• C) \(\left\{ \frac { \log 102,000 + 1 } { 9 } \right\} ; x \approx 0.6676\)
• D) \{ \}

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