Asoup recipe calls for 2.25 grams of chili powder. how many milligrams of chili powder are needed if the recipe is doubled

Harry the hook has 7 1/3 pounds of cookie dough. she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

What is the value for this expression? 2e-5