Simplify the expression so there is only one power for each base. 5.6^-5 * 3.4^-7 * 5.6^3 * 3.4^-4

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

How to determine whether two known pairs of points are on the same line.

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m