it means 2 to the sixth power or 2X2X2X2X2X2
O2- is the symbol for the oxide ion, which is an oxygen atom that has gained two electrons. The oxide ion has a charge of -2.
If you mean on the keys, it is usually shown as: x² or X².
it means you multiply 2x2
3squared
I think you mean 2+2 which equals four.
Little House on the Prairie - 1974 Four Eyes 2-2 was released on: USA: 17 September 1975 Sweden: 29 October 1980
Pinky and the Brain - 1995 A Little Off the Top 2-10 was released on: USA: 23 November 1996
2 over1
Squared
This means the number to the power of 4. If the number is 2 and it is to the power of 4 this means: 2 x 2 x 2 x 2 = 16
M with a little 2 at the top right