Question

Test whether the given numbers are perfect cubes or not.
(¡) 243 (¡¡) 516 (iii) 729 (iv) 8000 (V) 2700
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Answer 1

Answer:

i)243 not a perfect cube

ii)516 not perfect cube

iii)729 is a perfect cube of 9

iv)8000 is perfect cube of 20

v) 2700 is not perfect cube

Step-by-step explanation:

1.Cubes of all odd natural numbers are odd.

2. Cubes of all even natural numbers are even.

3. The cubes of a negative integer is always negative.

4.

Answer 2

Answer:

i)243 not a perfect cube

ii)516 not perfect cube

iii)729 is a perfect cube of 9

iv)8000 is perfect cube of 20

v) 2700 is not perfect cube

Step-by-step explanation:

1.Cubes of all odd natural numbers are odd.

2. Cubes of all even natural numbers are even.

3. The cubes of a negative integer is always negative

4. Cubes of numbers have an odd number of zeroes