can someone check my answer

oh awsome thanks the whole inches squared thing after the box were i put my answer in had me worried 

i'll start right pi from now on :D

Area is always   unit²         like    in²      cm²       yard²     etc

   VOLUME is always   unit³

^{UNITS in your answer are VERY important in the real world !}

NASA lost its $125-million Mars Climate Orbiter because spacecraft engineers failed to convert from English to metric measurements when exchanging vital data before the craft was launched, space agency officials said Thursday. In a sense, the spacecraft was lost in translation