Multiple Choice
In the book One Grain of Rice, a girl receives a reward that starts with one grain of rice on day one, two grains on day two, four on day three and eight on day four. Each day, she receives double the number of grains of rice. How many grains of rice does she receive on the 20th day?
A) 400
B) 1,048,576
C) 2,782,184
D) 40
Correct Answer:

Verified
Correct Answer:
Verified
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