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------------------------------------------------ Add or subtract as shown. Round your answer to the correct precision.

0.26 gal + 3.454 gal =

A. 3.714 gal
B. 3.224 gal
C. 3.684 gal
D. 3.714 gal

The sum of 0.26 gal and 3.454 gal is 3.714 gal; however, rounding to the correct precision based on significant figures gives us 3.71 gal because the number with the least significant figures after the decimal (0.26) has two decimal places.

Explanation:

CORRECT OPTION IS A) 3.714 gal

The question provided involves addition and significant figures, which is typically classified under the subject of Mathematics, specifically in the area of measurement and precision. The student is asked to round the answer to the correct precision after performing the addition operation. Precision in this context relates to significant figures. To solve the problem 0.26 gal + 3.454 gal, we simply add these numbers together: 0.26 + 3.454 = 3.714 gal. The correct rounding according to significant figures would give us an answer of 3.71 gal because the first number has two significant figures after the decimal.