Bryant Lam Hong Sheng's answer to Zenain Tan's Secondary 3 E Maths question.
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You need to be familiar with the law of indices to solve question 6 and 7. For 6(b), you just need to be careful when solving for total surface area. A cuboid only has 6 sides.
For question 7, after applying for law of indices, solve the simultaneous linear equation accordingly
For question 7, after applying for law of indices, solve the simultaneous linear equation accordingly
Date Posted:
7 years ago
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