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one light year is 5.88 x 10^12 miles. suppose a star is 2.23 x 10^2 light years away from earth. In scientific notation how many miles is it?

Respuesta :

calculista
we have that

applying a rule of three

if 1 light year is ----------------> 5.88 x 10^12 miles
2.23 x 10^2 light years-----------> X
X=2.23 x 10^2*(5.88 x 10^12 miles)---------> 1.31 x 10^15 miles

the answer is 1.31 x 10^15 miles

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