7*10^7/2*10^5 write your answer as a scientific notation

there's a picture attached if you want to see the orginal question

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

What is the equation of a line passing through (-6,5) and having a slope of 1/3

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?