Concept:A decimal number can be expressed as a fraction using the place value of its last digit.Explanation:0.055 has three digits after the decimal point.So, write it over 1000: 0.055=100055.Simplify the fraction by dividing the numerator and denominator by 5.1000÷555÷5=20011.Thus, 0.055 as a common fraction is 20011, which is option D.Answer:D. 20011