# Adding Exponent Variables

• July 2nd 2012, 06:47 AM
GrigOrig99
Just a quick question. Is it correct to say that $2^k+2^k=2^(^k^+^1^)$?

Many thanks.
• July 2nd 2012, 06:53 AM
emakarov
Re: Adding Exponent Variables
Yes. $2^k+2^k=2^k(1 + 1) = 2^k\cdot 2=2^{k+1}$.

LaTeX hint: you can surround the superscript with curly braces if it consists of more than one symbol.
• July 2nd 2012, 06:54 AM
Goku
Re: Adding Exponent Variables
Yes that's correct.
• July 2nd 2012, 07:00 AM
GrigOrig99
Re: Adding Exponent Variables
Great. Thank you.