I am learning estimation. I have to round off the numbers to the nearest ten. My question is 48 x 2 x 2 x 3. I had rounded off the 48 to 50 to make it easier for me to solve. This is how I got my answer for this question.
48 rounded off to nearest 10 is 50.
50 x 2= 100
50 x 2= 100
50 x 3= 150
It was very easy and next time I want to learn square roots.
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