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Question
Earth’s total land area is about 148428950 km2. The land area of Asia is about 30 per cent of this total. What is the approximate land area of Asia to the nearest square km?
Solution
Earth’s total land area = 148128950 km2
Land area of Asia = 30% of 148428950 km2
= `30/100 xx 148428950`
= 44528685 km2
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