Q 1: Write the number (using comma separated notation): one billion seven hundred seventy eight million two hundred eighty four thousand five hundred forty Answer:

Q 2: Write the number (using comma separated notation): four billion four hundred eighty four million nine hundred nine thousand two hundred twenty three Answer:

Q 3: Write the number (using comma separated notation): four billion six hundred forty five million five hundred fifty six thousand five hundred Answer:

Q 4: Write the number (using comma separated notation): four billion four hundred thirteen million five hundred ninety two thousand seven hundred eight Answer:

Q 5: Write the number (using comma separated notation): four billion three hundred twenty six million five hundred thirty seven thousand nine hundred eight Answer:

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