astronomy
posted by maria .
the diameter of earth is 7928 miles. what is the diameter in inches? in yards? If the diameter of earth is expressed in 12,756km what is the diameter in meters? in centimeter? give yoiur answers in scientific notation

Mile = 1760 yards = 1760 * 36 inches
km = 1000 meters = 1000 * 100 centimeters
Scientific notation: km = 10^3 meters = 10^5 centimeters
I'll let you do the calculations.
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