Problem 57 of 7
Solve exponential equation 1000(0.9)^m=200 with common logarithms or technology.
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use log base 10 or technology.
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Use log base 10 or technology in finance and science contexts.
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Solution
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1. Isolate the exponential expression.
2. Take common log of both sides.
3. Use the power property and solve.
4. Round according to context.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Calculator decimals without enough precision when exact form is requested.