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secondary 3 | E Maths
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Date Posted: 1 year ago
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2^b = 1/128
2^b = 128^-1
[1/x = x^-1]
2^b = (2^7)^-1
2^b = 2^-7
b = -7
2^b = 128^-1
[1/x = x^-1]
2^b = (2^7)^-1
2^b = 2^-7
b = -7
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