Question

mercury’s average distance from the sun is 57,190,000 km. what is the distance in scientific notation? 2/20 5719×10^4 571.9×10^5 57.19×10^6 5.719×10^7

Explanation:

Step1: Recall scientific - notation form

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

Step2: Rewrite 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:

$5.719\times 10^{7}$