To write 73,405 in words, break it into place-value groups.<br><br>
&bull; 73 thousands &rarr; "Seventy-three thousand"<br>
&bull; 405 &rarr; "four hundred and five" (the zero in the tens place is not spoken)<br>
&bull; Combine: "Seventy-three thousand, four hundred and five"<br><br>
Option A says "seven hundred and thirty-four thousand" = 734,000 &mdash; wrong.<br>
Option C says "seven hundred and three thousand" = 703,000 &mdash; wrong.<br>
Option D says "seventy-three hundred" = 7,300 &mdash; wrong.<br>
Option B matches: seventy-three thousand, four hundred and five.<br><br>
Final Answer: B: Seventy-three thousand, four hundred and five