8 x 10 to the power of 7 is times as much as 2 x 10 to the 5th power

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2