Answer
$6.78\times10^{12}$
Work Step by Step
Step 1: Scientific Notation includes only one non-zero digit in front of the decimal point.
Step 2: For 6,780,000,000,000.0, the decimal point must be moved 12 times to the left in order to ensure that their is only one non-zero digit in front of the decimal point.
Step 3: Therefore, 6,780,000,000,000=$6.78\times10^{12}$.
