The least possible value of A for which 90 x A is
a perfect cube is
(a) 200
(b) 300
(c) 500
(d) 600
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Answer:
Step-by-steIf 90*A is a perfect cube, every factor of it must be a cube of a prime number or of a multiple of a prime number. = 3*25*4 = 3* 100 = 300. Is 4,913 the perfect cube? You are told that 1,331 is a perfect cube.
p explanation:
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