express this number in scientific notation. 13,040,000

Explanation:

Step1: Move decimal point

Move the decimal point to get a number between 1 and 10. For 13040000, we get 1.304. $13040000 = 1.304\times10000000$

Step2: Write in scientific - notation

Since $10000000 = 10^{7}$, the scientific - notation is $1.304\times 10^{7}$. $1.304\times10^{7}$

Answer:

$1.304\times 10^{7}$