Question

Is 243 a perfect cube? Verify.

Answer 1

Step-by-step explanation:

∴ 243 is not a perfect cube. ... Thus, the smallest required number to multiply 243 to make it a perfect cube is 3. (ii) We have 256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2. Grouping the prime factors of 256 in triples, we are left over with 2 × 2.

Hope it helped :)

Answer 2

Answer:

243 is not a perfect cube.

The smallest required number to multiply 243 to make it a perfect cube is 3.

We have 256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2.

Grouping the prime factors of 256 in triples, we are left over with 2 × 2.

hope this helps.