14. express the number 80,000 in scientific notation.

Explanation:

Step1: Recall scientific - notation form

Scientific notation is $a\times10^{n}$, where $1\leqslant|a|\lt10$ and $n$ is an integer.

Step2: Rewrite 80000

For 80000, we can write it as $8\times10000$. Since $10000 = 10^{4}$, then $80000=8\times10^{4}$.

Answer:

$8\times10^{4}$