950000000000000000 how is the distance expressed in scientific notation

9.5 × 10^17

Step-by-step explanation:

You have to find a number that is the biggest number you can get that is greater than 1, but less than 10. 9.5 is that number. After that, you count the number of decimal places the decimal has to move to get to the original number. In this case, the decimal has to move 17 times to get to the end of the number.