Grade 8 maths · C.2 · Square roots and cube roots
Cube roots of perfect cubes
Find the number that multiplied by itself three times gives the number inside the root.
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Find ∛729.
Answer: 9
What is the cube root of 64?
Answer: 4
What is the cube root of −125?
Answer: -5
Tip: Find the number that multiplied by itself three times gives the number inside the root.
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