Square 33 is the first square in Row 5, the first square of the second half of the chessboard.How many pennies are on square 33?

The number of pennies doubles on each successive square, starting with 1 penny on square 1. So square 33 has 2^(33−1) = 2^32 pennies. The correct choice is 2^32; 2^33 would be the amount on square 34.

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