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DB: 238; Only 3-digit interstate that doesn&amp;#8217;t follow parent interstate naming conventionsDC: 90; Number of the longest US highwayDD: 1942; Year of the first self-sustaining nuclear reactionDE: 100; Atomic number of fermiumDF: 1946; Year of ENIACDG: 17468; Number of vacuum tubes in ENIACDH: 88; Weight of the first car phone to the nearest poundDI: 1949; Year patent no. 2473288 was given to combination table utensilDJ: 128; Years ago railroads instituted standard time zones in USDK: 32; Ice melting point in degrees FDL: 19; Number of parameters in the standard model of particle physicsDM: 1986; Last time we saw Halley&amp;#8217;s cometDN: 2061; Next time we&amp;#8217;ll see Halley&amp;#8217;s cometDO: 20,005,000; Transmission frequency of Sputnik 1 in HzDP: 2; Constitutional Article establishing Executive branchDQ: 51; Jurisdictions in the electoral collegeDR: 3; votes for DC in the electoral collegeDS: 23; Amendment that gave DC those votesDT: 12; Amendment specifying the systemDU: 44; Numer of US Presidents to date*Bonus number (DP through DU): 538; Number of electoral college votesDV: 1969; Year of first human on the moonDW: 11718; Mission length of Apollo 11 in minutesDX: 57; Project number where GPS was bornDY: 365; Approximate number of days it takes to travel around the sunDZ: 11; Lowest master number in one of the earliest attempts to give meanings to numbersEA: 11; Number of M Theory dimensionsEB: 4; Number of Spacetime dimensionsEC: 1,210,000,000; Number of watts in flux capacitorED: 88; :)EE: 2000; Y2KEF: 43,112,609; value of p that generates the largest known Mersenne Prime