Calculate the sum of the following numbers to the appropriate number of significant figures. 658.0 + 23.5478 + 1345.29

In what direction does the medium move relative to the direction of the wave? explain.

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount