Select the sentence that correctly uses abbreviations, symbols, and numbers, click the corresponding letter (you may have to scroll to see all of the items), and then press the Click here ... button:

Item 1 of 10

  1. NASA has just doubled its asteroid search budget to three million dollars.
  2. NASA has just doubled its asteroid search budget to 3 million dollars.
  3. NASA has just doubled its asteroid search budget to 3,000,000 dollars.
  4. NASA has just doubled its asteroid search budget to $three million.
  5. NASA has just doubled its asteroid search budget to $3 million.
  6. NASA has just doubled its asteroid search budget to $3,000,000.