# How do you write 670 in scientific notation?

$6.7 \cdot {10}^{2}$
Count how many numbers are after the first number we have $2$ numbers $7$ and $0$.So,we put ${10}^{2}$.And we put $6.70 \cdot {10}^{2} = 6.7 \cdot {10}^{2}$