Write each place value from the word form as digits, then combine.<br><br>
&bull; Thousands: Sixty-eight thousand = 68 × 1 000 = 68000<br>
&bull; Hundreds: four hundred = 400<br>
&bull; Tens and ones: nineteen = 19<br>
&bull; Combine: 68000 + 400 + 19 = 68419<br>
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Final Answer: 68419