Started online calculus. Tough learning alone. Anyone know how to solve x^-2.2=4127 also 4e^(x-2)=1325
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1.) I would rewrite the equation as: Raise both sides to a power of . What do you find? 2.) Divide through by 4 to get: Convert from exponential to logarithmic form. What do you find?
1) 0.022725 2) 7.8028
My calculator shows the last digit of your result for 1.) to be a 6. However, unless you are asked to give a decimal approximation, I would give the exact result.
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