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Secondary 1 | Maths
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How to find the value of each number without using a calculator?
Date Posted: 6 years ago
Views: 362
Do prime factorisation first
Then for square roots, divide all the powers by 2
For cube roots, divide powers by 3
eg.
144 = 2⁴ × 3²
√144 = 2²×3¹ = 4×3 = 12
Then for square roots, divide all the powers by 2
For cube roots, divide powers by 3
eg.
144 = 2⁴ × 3²
√144 = 2²×3¹ = 4×3 = 12
Thanks
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