Amber just read that her laptop, which cost $1380 new, loses 20% of its value every year. If this is correct, how much will it be worth in five years? Round to the nearest penny

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Me n o w. i need t h i s. 10 points

What ia the sum if the first 7 terms of the geometric series