Which number is the largest? (4 points) 1.2 × 104, 4.5 × 10−3, 3.8 × 103, 7.5 × 103

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Can someone me do math because i am having a breakdown rn because i don’t get it