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# A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess board.?

On the second square the King would place two grains of wheat, on the third square, four grains of wheat, and on the fourth square eight grains of wheat. If the amount of wheat is doubled in this way on each of the remaining squares, what is the total weight in tons of all the wheat that will be placed on the first 49 squares?

(Assume that each grain of wheat weighs 1/7000 pound. Remember that 1 ton equals 2000lbs.)

The total weight of the wheat that will be placed on the first 49 squares is ___ tons.

(Use scientific notation. Use the multiplication symbol in the math palette as needed. Do not round until the final answer. Then round to six decimal places as needed.)

### 2 Answers

- rogerLv 74 months ago
80,421,421.9173 tons ( a bit over 80 million tons)

(1/7000) x(2^50)/2000

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- Anonymous4 months ago
do your own homework .

- Michelle4 months agoReport
figured it out myself, thanks ... no need to be rude and leave unnecessary comments.

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