Geometric Series

Question 1

How many squares are on the chessboard?

Revolt · Accepted Answer

204

Question 2

Question 2

Revolt · Accepted Answer

2

Question 3

Question 3

Revolt · Accepted Answer

4

Question 4

Question 4

Revolt · Accepted Answer

8

Question 5

Question 5

Revolt · Accepted Answer

16

Question 6

Question 6

Revolt · Accepted Answer

32

Question 7

Question 7

Revolt · Accepted Answer

64

Question 8

Question 8

Revolt · Accepted Answer

128

Question 9

The total number of pennies on Row 1 is: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 =

Revolt · Accepted Answer

255

Question 10

Compare your prediction with the total number of pennies on Row 1. How would you change your estimate? Is the result surprising?

Revolt · Accepted Answer

My initial prediction was lower than the actual count of pennies on Row 1. To improve my estimate, I would count a small group of pennies and use that to better gauge the total across the row. The result was surprising because the pennies were packed much more tightly than I had anticipated.

Geometric Series Answers

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