penny dobrado a cada dia durante um mês:

dia 1: $0.01
dia 2: $0.02
dia 3: $0.04
dia 4: $0.08
dia 5: $0.16
dia 6: $0.32
dia 7: $0.64
dia 8: $1.28
dia 9: $2.56
dia 10: $5.12
dia 11: $10,24
dia 12: $20.48
dia 13: $40.96
dia 14: $81.92
dia 15: $163,84
dia 16: $327,68
dia 17: $655,36
dia 18: $1,310.72
dia 19: $2,621.44
dia 20: $5,242.88
dia 21: $10,485.76
dia 22: $20,971.52
dia 23: $41,943.04
dia 24: $83,886.08
dia 25: $167,772.16
dia 26: $335,544.32
dia 27: $671,088.64
dia 28: $1,342,177.28
dia 29: $2,684,354.56
dia 30: $5,368,709.12
dia 31: $10,737,418.23

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