$.1$A b$*.2$A c$.3$A d$.4$A e$.5$A $19.$ Determine the power being delivered to each headlight. a$.16$W b$.24$W c$.6$W d$.8$W e$*.12$W $20.$ Determine the energy provided by the battery if the lights remain on for four hours. a$.69$kJ b$\mathrm{.}98$kJ c$.456$kJ d$.173$kJ e$*.346$kJ