Round off 7239 to the nearest thousand. Then estimate its value. <br> 7099 x 5 <br>≈ <input min="0" type="number" id ="imp5pg003q10b_1" class="lineinput" placeholder="?" /> x 5 <br>= <input min="0" type="number" id ="imp5pg003q10b_2" class="lineinput" placeholder="?" />