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You calculate the following answer to a problem: 12.655 cm. You are asked to round your answer to four significant figures. Which answer is correct?
a. 12.66 cm
b. 12.65 cm
c. 12.60 cm
d. 12.70 cm

Respuesta :

A, 12.66 cm as 55 is above 50 which mean you have to round it to the next tenth figure which is 6.
JeanaShupp

Answer: a. 12.66 cm

Step-by-step explanation:

Given value: 12.655 cm

Here in the given value there area five significant figures.

If we need to round the value to four significant figures then we need to round the given value to the nearest hundredth.

Since, the last digit (hundredth and thousandth place) is 55 which is nearest to 60.

Then the the required answer after round off to the  nearest hundredth will be :-

[tex]12.660\ cm=12.66\ cm[/tex]

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