-6.8^2
You can do this with a calculator or pen and paper.
With a calculator;
-6.8 squared = 46.24 (Notice that the answer is positive!)
Answer
46.24
Explanation
n² = n × n
∴ (-6.8)² = (-6.8) × (-6.8)
= 46.24
The answer is positive since (-1)×(-1) = 1.
