How do i make a statement about whena negative number raisd to a power will have a positive outcome

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?