Ex 8.4, 4 Express as km using decimals. (d) 70 km 5 m70 km 5 m = 70 km + 5 m = 70 km + 5 × 1 m = 70 km + 5 × 1/1000 km = 70 km + 5/1000 km = (70+5/1000) km = ((70 × 1000 + 5)/1000) km = (70000 + 5)/1000 km As 1000 m = 1 km 1 m = 1/1000 km = 70005/1000 km = 70.005 km

Next: Ex 8.4, 5 (a) → Ask a doubt

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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