Q. Solve for x to the nearest 10th.3000=6680(0.985)x−1200
Set up equation: Set up the equation given by the problem.3000=6680(0.985)x−1200
Addition and isolation: Add 1200 to both sides to isolate the exponential term on one side.3000+1200=6680(0.985)x4200=6680(0.985)x
Divide to solve: Divide both sides by 6680 to solve for (0.985)x. 66804200=(0.985)x0.628742515=(0.985)x
Take natural logarithm: Take the natural logarithm of both sides to solve for x.ln(0.628742515)=ln((0.985)x)ln(0.628742515)=x⋅ln(0.985)
Divide by ln(0.985): Divide both sides by ln(0.985) to solve for x. x=ln(0.985)ln(0.628742515) x≈ln(0.985)ln(0.628742515) x≈−0.015113296−22.34434768 x≈1478.577855
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