Question

In the legend of the King and inventor of the chessboard, how many grains of wheat were on the 9th square of the chessboard?

A. 2

B. 9

C. 256

D. 512

Answer 1

Hi Cydnim, I am Mikael and think of each next-square as multiplying the previous number of grains by 2

Answer 2

Sooo Square 1 is \[2^{0}\]

Answer 3

So it would be 2 ?

Answer 4

Square 2 is \[2^{1}\]

Answer 5

Wrong section,

And 256

Answer 6

Square 3 is\[2^{?}\]

Answer 7

Anyway square N is \[2^{N-1}\]

Answer 8

Sooo ... if we consider Square N= 9 then it has 2^(9-1) = 2^8 = 256

Answer 9

Thank you so much !! (:

Answer 10

Medals Cydnim pls, Fan is optional