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Type the corred answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Find the difference. \[ \begin{array}{r}78 \\ -42\end{array} \]

Ask by Pierce Clark. in the United States
Jan 24,2025

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\( \begin{array}{ll}x=3 & \text { correct to } 1 \text { significant figure. } \\ y=8.37 & \text { correct to } 3 \text { significant figures. } \\ z=5.3 & \text { correct to } 1 \text { decimal place. } \\ \text { Calculate the upper bound of } x(y-z) \\ \text { Show your working clearly. }\end{array} \)
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3) \( -4.5 \times 5.4 \)
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