One astronomical unit is equal to _______.
A. 1.510 x 1012m
B. 1.5 x 1012Km
C. 1.5 x 1011m
D. 1.5 x 1012Cm
Answer:C
One astronomical unit is equal to _______.
A. 1.510 x 1012m B. 1.5 x 1012Km C. 1.5 x 1011m D. 1.5 x 1012Cm