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Given that 22 is not a measured number and 1.4 is a measured number, for which of the following problems does the answer contain 3 significant figures?A.22 multiply by 1.4B.22 divided by 1.4C.22 added to 1.3D.More than one responseE.None of the above

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Answer:


Option\Rightarrow D

Step-by-step explanation: We need to find all 3 significant figure answers.


\begin{gathered} A\Rightarrow22*1.4=30.8\rightarrow\text{ 3 significant figure answer} \\ B\Rightarrow(22)/(1.4)=15.714285714\rightarrow\text{ Several significant figures} \\ C\Rightarrow22+1.3=23.3\rightarrow\text{3 significant figure answer} \\ \end{gathered}

As we have seen that three significant answers is in two of the given option, therefore, the answer is:


D\text{ }\Rightarrow\text{ More than one answer}

User Mehdi Shahdoost
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