Select the correct properties — task. Mathematics State Board, Class 8.

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1. Which of the following is correct?

If the digit ends at \(7\), then the unit place of its cube is \(9\).
If the digit ends at \(7\), then the unit place of its cube is \(3\).
If the digit ends at \(7\), then the unit place of its cube is \(5\).
If the digit ends at \(7\), then the unit place of its cube is \(7\).

2. Which of the following is correct?

The cube of every odd number is even.
The cube of every odd number is odd.
The cube of every even number is odd.
The cube of odd number may be even or odd.

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