Question

Write using appropriate symbols 

1. Any 2 numbers smaller than 0. 

2. 50 meters below sea level.

 3. 10° C temperature below 0°C. 

4. 15°C temperature above 0°C.

Answer 1

Using appropriate symbols : 

1. Any number, smaller than 0 = – 1, – 2 

2. 50 meters below sea level = – 50 meter 

3. 10°C temperature below 0°C = – 10°C 

4. 15°C temperature above 0°C = + 15°C