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प्रश्न
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.
उत्तर
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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