# How do you write 629.55 in scientific notation?

$6.2955 \cdot {10}^{2}$
$629.55$ must have it's decimal moved twice to the left in order for it to be in between 1 and 10.
$6.2955 \cdot {10}^{2}$ will be your answer. And if you want to round, you could just round it to $6.3 \cdot {10}^{2}$.