Round each option to the nearest whole number and check which gives 8.<br><br>
&bull; 7.45 → 7 (tenths digit 4 &lt; 5, round down)<br>
&bull; 8.099 → 8 (tenths digit 0 &lt; 5, round down)<br>
&bull; 7.39 → 7 (tenths digit 3 &lt; 5, round down)<br>
&bull; 8.5 → 9 (tenths digit 5, round up)<br><br>
Only 8.099 rounds to 8.<br><br>
Final Answer: 8.099