A heating element in an oven heats to 4,546.63 kelvin. What is the peak wavelength of light emitted by this heating element in meters? Write final answer in Scientific Notation.

2. An object is placed 6 centimeters from a mirror which then forms an image at -39 centimeters. Find the focal length of the mirror (in centimeters). Round final answer to two decimal places.
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5. A lens, with a focal length of 6 centimeters, forms an image at -40 centimeters. How far (in centimeters) from the lens was the object placed? Round final answer to two decimal places.