What is the product written in scientific notation? (1.4 × 103)(2.5 × 10–6) a. 3.9 × 10–3 b. 3.9 × 10–18 c. 3.5 × 10–3 d. 3.5 × 10–2

Tom is going on vacation and wants to leave his friend enough money to feed his pets. tom has d dogs and c cats and spends $2.50 per day to feed each dog and $1.75 per day to feed each cat. how much do it cost to feed his cat in a week