Question

Express the distance 390 comma 000 comma 000 meters using scientific notation in meters and then in millimeters.
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Part 1
The distance 390 comma 000 comma 000 meters is expressed as
  
enter your response here meters in scientific notation.
​(Use scientific notation. Use the multiplication symbol in the math palette as​ needed.)

Answer 1

Part 1 (meters): 3.9 × 10^8 meters

Part 2 (millimeters): 3.9 × 10^11 millimeters