Question

mercurys average distance from the sun is 57,190,000 km. what is the distance in scientific notation? 571.9 x 10^5 57.19 x 10^6 5.719 x 10^7 5719 x 10^4

Explanation:

Step1: Recall scientific - notation form

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

Step2: Rewrite the number

For $57190000$, move the decimal point 7 places to the left to get $a = 5.719$ and $n=7$. So, $57190000=5.719\times 10^{7}$.

Answer:

C. $5.719\times 10^{7}$