Answered

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= 1.808943
C3 significant
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Sagot :

Sethartiolamarceloidn

Answer:

To round the number 1.808943 to 3 significant figures, you need to consider the first three digits after the decimal point.

Here's the process:

1. Look at the number: 1.808943.

2. Identify the first three significant figures: 1.80.

3. Look at the digit immediately after these three significant figures to determine if rounding is needed. The digit after 1.80 is 8.

4. Since 8 is greater than 5, round up the last significant figure.

So, 1.808943 rounded to 3 significant figures is 1.81.