Multiple ChoiceIf a=0.421 a=0.421 and b=54.3b=54.3b=54.3 complete the operation below:a+a+ba+a+ba+a+b14views
Multiple ChoiceSubtract, then estimate to see if your answer is reasonable.25.96−14.2525.96-14.2511views
Multiple ChoiceSubtract, then estimate to see if your answer is reasonable.7.548−18.6097.548-18.6098views
Multiple ChoiceAdd, then estimate to see if your answer is reasonable.186.79+7.548186.79+7.54813views