Question

Which of the following number are nt perfect cube?
1) 216
2)128
3)1000
4)100
5)46656​

Answer 1

Answer:

128,100

Hope that this answer helps you

Answer 2

Answer:

(i) 216=2×2×2×3×3×3= 2

3

×3

3

=6

3

So, 216 is a perfect cube.

(ii) 128=2×2×2×2×2×2×2

= 2

3

×2

3

×2=6

3

×2

So, 128 is not a perfect cube.

(iii) 1000=2×2×2×5×5×5=10

3

So, 1000 is a perfect cube.

(iv) 100=2×2×5×5=10

2

So, 100 is not a perfect cube

(v) 46656=2×2×2×2×2×2×3×3×3×3×3×3=36

3

So, 46656 is a perfect cube.

here is the answer for your question