(190.6)(2.3) = 438.38
Question 2.4: (190.6)(2.3) = 438.38
The value 438.38 was obtained with a calculator. The answer should have two significant figures because 2.3, the number with the fewest significant figures, has only two significant figures.
The correct answer is 440 or 4.4 \times 10^2.
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