In a television game show, there are five questions to answer. Each question is worth twice as much as the previous question. If the last question was worth $6400, what was the first question worth?

Question

In a television game show, there are five questions to answer. Each question is worth twice as much as the previous question. If the last question was worth $6400, what was the first question worth?
is the answer 400

Writeacher · Answer

Yes. Working backwards: 5 - 6400 4 - 3200 3 - 1600 2 - 800 1 - 400