In preparation for a storm, the town council buys 13,750 pounds of sand to fill sandbags. volunteers are trying to decide whether to fill bags that can hold 25 pounds of sand or bags that can hold 50 pounds of sand. will they have more or fewer sandbags if they fill the 25-pound bags? how many more or fewer? explain your reasoning.
( i'm so confused i need this in by tomorrow)

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

If the segment op is dilated by a scale factor r=2, what is the length of segment op? a)10cm b)16cm c)6cm d)4cm