Question

express numebr in standard form
a) speed of light in vacuum is 300,000,000 m/s
b) diameter of earth is 1,27,56,000 m
c) diameter of sun is 1,400,000,000 m
d) the universe is estimated Tobe about 12,000,000,000 years old.






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Answer 1

Answer:

3×10(8) times =300,000,000 m/s speed of light in vacuum