What is 5.208333333 in scientific notation?

Can someone me with questions 15 to 17 plz.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.