Mathematics, 07.11.2020 01:00 leopolesamoy

Your elderly neighbor places a bag of rice on your doorstep each morning. The first day, the bag contained 1 grain of rice, the second day it contained 2 grains of rice, 4 grains of rice the third day, and so on. Each grain of rice weighs 0.04 grams. How many grains of rice will be in the bag on the 21st day?

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Your elderly neighbor places a bag of rice on your doorstep each morning. The first day, the bag con...

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