A light-year is the measure of how far light can travel in one year. How long has the light from a star 125,000 light-years away been traveling to reach Earth? Select one:

a. 12.5 years

b. 125 years

c. 125,000 years

d. 125,000,000 years

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Answer: 1.4 seconds which is the third optionexplanation: current is defined as the flow of charge per timetherefore, the equation that relates current, charge and time can be expressed as follows: i = δq / δtwhere: i is the current given = 1.8 ampereδq is the charge given = 2.5 coulombδt is the time required for the flow of the given charges to give the 1.8 ampere.substitute with the givens in the above equation to get the time as follows: 1.8 = 2.5 / δtδt = 2.5 / 1.8 = 1.38888 which is approximately 1.4 secondshope this was !