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International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

A(t)=728(1+0.04)^t how much money did aditya originally invest

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.