$\"\"$

The U.S. has the most miles of road in the world is $\"\"$ and japan has $\"\"$ .

More miles of the roads the U.S. have than japan is $\"\"$ .

$\"\"$

Move the decimal point the right 1 place.

$\"\"$ $\"\"$

$\"\"$ (Take out common factor)

$\"\"$ (Subtract: $\"\"$ )

Move the decimal point to the left 1 place.

$\"\"$

The number is $\"\"$ in scientific notation. $\"\"$

The number is $\"\"$ in scientific notation.