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As per your syllabus, the diameter of Earth ≈ 1.28 × 10⁷ m has order of magnitude equal to which value?
A10
B8
C7
D6
Answer & Solution
Correct answer: C. 7
Your syllabus: a = 1.28 ≤ 5, so round down → 10⁷ m.
Order of magnitude = exponent = 7.
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