In 2011, Americans used 1.86 x 1011
kilowatt-hours to light their homes. They used
4.6 x 1010 kilowatt-hours to run their
computer and computer equipment.
In 2011, Americans used 1.86x10" kilowatt-hours to light their home kilowatt-hours to run their computers and computer equipment. Circle the number that correctly completes the statement