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Question

(i) The height of Mount Everest is 8848 m. Write it in standard form.
(ii) The speed of light is 300000000 m/sec. Express it in standard form.
(iii) The distance from the earth to the sun is 149600000000 m. Write it in standard form.

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Solution

(i) The height of the Mount Everest is 8848 m.
In standard form, we have:
ā€‹8848=8.848×1000 m=8.848×103m.
(ii) The speed of light is 300000000 m/s.
In standard form, we have:
300000000=3×100000000 m/s=3×108 m/s
(iii) The Sun-Earth distance is 149600000000 m.
In standard form, we have: 149600000000=1496×100000000=1.496×1000×100000000=1.496×103×108=1.496×1011m

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