IB Mathematics Applications and Interpretation Quiz
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NUMBER AND ALGEBRA
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In astronomy, the apparent magnitude, mm, of a celestial object is related to its brightness, BB, by m=−2.5log⁡10(B/B0)m = -2.5 \log_{10}(B/B_0), where B0B_0 is a reference brightness. Star A is 100 times brighter than Star B. What is the difference in their magnitudes, mB−mAm_B - m_A?
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