20 divided by 4 1/2 help, i wil give brainlist if have the step by step

Write the following as a base and exponent

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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 %