Question: Do the following addition and express your answer to the right number of significant figures: 20.45cm+0.055cm 20.505cm 20.51cm 21cm 20.5cm 20.50cm

Do the following addition and express your answer to the right

Do the following addition and express your answer to the right number of significant figures: 20.45cm+0.055cm 20.505cm 20.51cm 21cm 20.5cm 20.50cm

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