First, round the numbers to the nearest whole number. Then estimate the sum.<hr> 1.7 + 6.82 = <input min="0" type="number" id ="imp4pg181q7b_1" class="lineinput" placeholder="?" /> + <input min="0" type="number" id ="imp4pg181q7b_2" class="lineinput" placeholder="?" /> <br> = <input min="0" type="number" id ="imp4pg181q7b_3" class="lineinput" placeholder="?" />