7. the distance between earth and jupiter is about 5.145×10^8 miles. the distance between earth and neptune…

7. the distance between earth and jupiter is about 5.145×10^8 miles. the distance between earth and neptune is about 2.703×10^9 miles. what is the difference of these two distances? about ×10 miles
Answer
Answer:
$2.1885\times 10^{9}$
Explanation:
Step1: Rewrite numbers in standard form
$5.145\times 10^{8}=514500000$ and $2.703\times 10^{9}=2703000000$
Step2: Calculate the difference
$2703000000 - 514500000=2188500000$
Step3: Convert back to scientific - notation
$2188500000 = 2.1885\times 10^{9}$