The magnitude M of a star is a measure of its brightness, and it is related to the relative intensity I of light reaching Earth from the star.The relationship is 
. Express relative intensity as a function of magnitude.
A) 
B) 
C) 
D) 
Correct Answer:
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Q31: The graph of Q32: The graph of the logarithm is Q33: We use ln to denote the natural Q34: The magnitude of a star is a Q35: The decibel, a measure of loudness, is Q36: We use ln to denote the natural Q37: The magnitude of a star is a Q39: The decibel level D, a measure of Q40: The decibel, a measure of loudness, is Q41: The inverse of 
A)
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