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Question
Write the number in the following example using the proper signs.
A submarine is at a depth of 512 metres below sea level.
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Solution
−512 m
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Following number line shows the temperature in degree celsius (°C) at different places on a particular day.
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(−6) + 4 − (−3) = ?
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Evaluate: (–30) – 15
Match the items of Column I with that of Column II:
| Column I | Column II |
| (i) The additive inverse of +2 | (A) 0 |
| (ii) The greatest negative integer | (B) –2 |
| (iii) The greatest negative even integer | (C) 2 |
| (iv) The smallest integer greater than every negative integer | (D) 1 |
| (v) Sum of predecessor and successor of –1 | (E) –1 |
