First, round the numbers to the nearest whole number. Then estimate the difference. <hr> 5.45 - 2.93 = <input min="0" type="number" id ="imp4pg181q8a_1" class="lineinput" placeholder="?" /> - <input min="0" type="number" id ="imp4pg181q8a_2" class="lineinput" placeholder="?" /> <br> = <input min="0" type="number" id ="imp4pg181q8a_3" class="lineinput" placeholder="?" />