Question

please give correct answer with steps.
question.which of the following are perfect cubes?
a. 400
b. 3375
c. 8000
d. 15625
e. 9000
f. 6859
g. 2025
h. 10648​

Answer 1

Answer:

8000 is the correct cube

Answer 2

(1) 400 = 2\times2\times2\times2\times5\times5 . So not a perfect cube.

(2) 3375 = 3\times3\times3\times5\times5\times5. So it is a perfect cube.

(3) 8000 = 2\times2\times2\times2\times2\times2\times5\times5\times5. So it is a perfect cube.

(4) 15625 = 5\times5\times5\times5\times5\times5. So it is a perfect cube.

(5) 9000 = 2\times2\times2\times3\times3\times5\times5\times5. So it is not a perfect cube.

(6) 6859 = 19\times19\times19. So it is a perfect cube.

(7) 2025 = 3\times3\times3\times3\times5\times5. So it is not a perfect cube.

(8) 10648 = 2\times2\times2\times11\times11\times11. So it is a perfect cube.

TIMES MEANS MULTIPLY SIGN .

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