Eileen Heng's answer to chae's Secondary 3 E Maths Singapore question.
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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
Date Posted:
1 year ago
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