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Estimate. use rounding or compatible numbers. show how you estimate79 X 31 =304 divided by 6 =558 divided by 8 =

User Mirsik
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Given: 79 X 31

To Determine: The value of the given expression using rounding or compatible numbers

Solution

Using rounding or compatibles


\begin{gathered} 79*31 \\ =80*30 \\ =2400 \end{gathered}

Hence

79 X 31 = 80 X 30 = 2400

Also


\begin{gathered} 304/6 \\ =300/6 \\ =50 \end{gathered}


\begin{gathered} 558/8 \\ =560/8 \\ =70 \end{gathered}

User Shui Shengbao
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