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the length of a nickel 2.1 cenimeters. what is the combined length of 2 nickels line by side by side

Respuesta :

If one nickel is 2.1 centimeters, that would mean if you added 2.1 to itself you would get the length of 2 nickels:
2.1 + 2.1 = 4.2 centimeters

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