7m+45cm+81mm Share with your friends Share 0 Shruti Tyagi answered this Dear student, We have,7m+45cm+81mmwe know 1cm=10mmso, 45 cm=45×10=450 mmalso, 1m=1000mm7m=7×1000=7000 mmthus the question becomes7m+45cm+81mm=7000mm+450mm+81mm=7531 mm Regards 1 View Full Answer Abijasree Bijukumar answered this 7.53100 meters 0