Mathematics, 08.10.2021 14:00 dsdlskds3880
Light travels at about 186,000 miles per second' Alpha Centauri is the closest star system to Earth. Alpha Centauri is about (2.5 x 10 exponent of 13)miles away. About how
long does it take light from this star system to reach Earth? (There are around 31,536,000 seconds in one year.)
A.426 years
B.0.426 years
C.4.26 years
D.4,262 years
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
Mathematics, 21.06.2019 23:00
Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
Answers: 1
Mathematics, 21.06.2019 23:00
Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?
Answers: 2
You know the right answer?
Light travels at about 186,000 miles per second' Alpha Centauri is the closest star system to Earth....
Questions
Computers and Technology, 10.07.2019 04:50
Business, 10.07.2019 04:50
Social Studies, 10.07.2019 04:50
Mathematics, 10.07.2019 04:50
Mathematics, 10.07.2019 04:50
Social Studies, 10.07.2019 04:50
Mathematics, 10.07.2019 04:50
History, 10.07.2019 04:50
History, 10.07.2019 04:50
History, 10.07.2019 04:50
Social Studies, 10.07.2019 04:50
History, 10.07.2019 04:50
Biology, 10.07.2019 04:50
