1097000 kilometres.
1097000 kilometers is bigger than 1970000 centimeters
no or yes pick
(1+0.39)x=1970000, so x=1970000/1.39=1417266.187... Or if we're using significant figures, then x=1400000 if 39% is not exact, or x=1420000 if it is.
Expanded notation defines the meaning of each of the nonzero digits in the number. The number 1970000 would be expanded as: 1000000 + 900000 + 70000.
One million, nine hundred seventy thousand.