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Mathematics, 25.01.2021 22:40 raulriquelmef6p0947w

Serena is playing a video game. She begins with 2 coins. Every hour that she plays, her coins double. How many coins will Serena have after playing for two hours?
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Serena is playing a video game. She begins with 2 coins. Every hour that she plays, her coins doubl...
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