Write each place value from the word form as digits, then combine.<br><br>
&bull; Thousands: Thirty thousand = 30 × 1 000 = 30000<br>
&bull; Hundreds: six hundred = 600<br>
&bull; Tens and ones: ninety-eight = 98<br>
&bull; Combine: 30000 + 600 + 98 = 30698<br>
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Final Answer: 30698