other applications I need help with part A and B for question 10

Firefox File Edit View History Bookmarks Tools Window Help 99% [$] Fri 2:46:59 PM Q ... VA HW 5.5 - Other Applications - Me X C Search Textbook Solutions | Cher X + n Shot ..9.48 PM https://www.webassign.net/web/Student/Assignment-Responses/submit?dep= =] ... U E Need Help? Read It Talk to a Tutor en Shot .2.33 AM 10. [-/0.39 Points] DETAILS 0/30 Submissions Used MY NOTES en Shot .9.20 PM An advertising agency has found that when it promotes a new product in a certain market of 470,000, the number of people x who are aware of the product t days after the ad campaign is initiated is given by x = 470,000(1 - e-0.077t (a) How many people (to the nearest thousand) are aware after 1 week? people (b) How long (to the nearest day) before 400,000 are aware of the new product? days Need Help? Read It Talk to a Tutor Submit Answer 11. [-/0.39 Points] DETAILS 0/30 Submissions Used MY NOTES JUN 23 19 W O