What is the result of calculating the 2009 power of minus 2 plus the 2010 power of minus 2?

What is the result of calculating the 2009 power of minus 2 plus the 2010 power of minus 2?

The phone just died! 2009 Power of minus two and 2010 power of minus two offset 2009 power, that reduction is minus two plus one-half, and then, minus two into a fraction, minus two four, four minus one to three. minus two three. I don't know your answers

- The second power of 2004, the second power of 2005, the second power of 2006, the second power of 2007, ask what is the number n - The second power of 2004, the second power of 2005, the second power of 2006, the second power of 2007, what is the number n?

If n is an even number, it is the second power of -n. If n is an odd number, it is the second power of n