What is the correct way to write 10^3 in factored form?

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Landon drove 103.5 miles on tuesday 320.75 miles on wednesday and 186.30 miles on thursday for work his company pays 0.07 $ for each mile he drives he expects to be paid more than $40,000 is he correct explain