The attendance at a local basketball game was 8643 people.

round to the attendance to the nearest hundred

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Use set buikder notation to represent the following set: {, -2, -1, 0}