Tan Zihao's answer to Abigail's Secondary 3 A Maths question.

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Tan Zihao
Tan Zihao's answer
13 answers (Tutor Details)
1st
1) anything to the power of 0 is 1.
2) a^-n = 1/a^n
3) (a^m)^n = a^(m+n)