5th grade
posted by cheyenne .
one light year is about 9 trillion kilometers . arctus is a star that is 37 light years from earth.if you are 11 years old now,how old will you be when light that is leaving arcturus today reaches earth. how far in kilometers willit have traveled .sow your work.

5th grade math 
PsyDAG
If you are 11, you will be 37 years older (year = year).
9 trillion * 37 = ? 
5th grade 
Anonymous
gygigyuyg

5th grade 
mya polynice
333

5th grade 
jordan
i don't know i want u to tell me

5th grade 
Anonymous
333
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