+67 A planet has an approximate diameter of 3.978 x 106 kilometers.
A. 39,780
B 3,978,000
C 397,800
D 39,780,000
+37146 The 10^6 means 'move the decimal SIX places to the right'
3 978 000 . km 'B'
+37146 The 10^6 means 'move the decimal SIX places to the right'
3 978 000 . km 'B'
