Question

·Using prime factorisation, find the cube roots of
(a)512
(b) 2197​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

CUBE ROOT OF a) 512 = 8.

&

b) 2197 =

Step-by-step explanation:

a) 512

BY PRIME FACTORISATION, WE GET

512 = 2 × 2 × 2 × 2 × 2× 2 × 2 × 2 × 2

NOW DIVIDE THEM INTO GROUPS,

512 = (2×2×2) × (2×2×2) × (2×2×2)

= 8 × 8 × 8

HENCE THE CUBE ROOT OF 512 IS 8.

b) 2197

BY PRIME FACTORISATION METHOD , WE GET

2197 = 13 × 13 × 13

HENCE THE CUBE ROOT OF 2197 IS 13.

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