Question:

How many significant figures are in the answer to .7 x 14.8?

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I have to figure out the area of a rectangle with measurements of .7cm by 14.8 cm.

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  1. 0.7*14.8 = 10.36

    This number has four significant figures.

    Whether four significant figures are justified in this situation is another matter.


  2. Precision of the result can be no better than that of the least precise input -- so, 1.

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