the unit's digit of the cube of a number is 9. the unit's digit of its cube root is. options are -(1). 9 (2). 7 (3). 3 (4). 1
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5
option first i.e. 9 is the correct answer!!!
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12
9 is the correct answer please mark me humble request
pragya19012006:
explain plz
please pragya mark me
but the answer is incorrect
the answr is 9.....i know the answer as i have the answer key but i dont have the explanation
see the cube of 9 is 729 and its last digit is 9 which is known as unit digit please mark me
i have marked
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