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5,46 hm= 546
12,45 um= 0,0001245 dm
7,98 * 10^8 mm= 79800dam
853,4 * 10^5 nm = 0,08534 m
135.9 * 10^-7 Km = 1.359cm
0,000124 * 10^9 dam =1240000000mm

5,46 hm= 546
12,45 hm= 0,0001245 dm
7,98 ×10.8 mm= 79800 dam
853,4 × 10'5 nm = 0,08534 m
135.9 × 10-7 Km = 1.359 cm
0,000124 × 10'9 dam =1240000000mm