Ascientist is studying certain germs. she places 3 germs in a special solution that will the germs grow. the number of germs doubles every hour. how many germs will there be after 8 hours?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet