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Question
Some migratory birds travel as much as 15,000 km to escape the extreme climatic conditions at home. Write the distance in metres using scientific notation.
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Solution
Total distance travelled by migratory bird = 15000 km
= 15000 × 1000 m ...[∵ 1 km = 1000 m]
= 15000000 m
= 15 × 106 m
Scientific notation of 15 × 106 = 1.5 × 107 m
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