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Question
Find the cube-root of 700 × 2 × 49 × 5.
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Solution
700 × 2 × 49 × 5
= 2 × 2 × 5 × 5 × 7 × 2 × 7 × 7 × 5
= (2 × 2 × 2) × (5 × 5 × 5) × (7 × 7 × 7)
= 2 × 5 × 7
= 70
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