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secondary 3 | E Maths
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Zenain Tan
Zenain Tan

secondary 3 chevron_right E Maths

confused and i have pretty much no idea how to get the answer

Date Posted: 8 years ago
Views: 558

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Bryant Lam Hong Sheng
Bryant Lam Hong Sheng's answer
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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