A gardener purchases 124.231 g of topsoil, 10.2 g of rocks, 50.24 g of fertilizer, and 0.0031 g of seed for a garden. What is the total mass of the supplies? Report the final answer with the correct number of significant digits.

1) this is the structure in the cell nucleus that houses a cell's genetic information

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number