Establish the rules in operations and significant figures and apply it to the given calculations.
Remember the rules for the significant figures in calculations.
1. For multiplication and division, measurement with the least number of significant figures shall determine the final answer.
2.55 x 5.2 = 13.26
→ since 5.4 has the least significant figures of 2 (2.55 has three), the answer would be rounded up to 13 to retain the significant figures.
Consider the numbers 23.68 and 4.12. The sum of these numbers has ____ significant figures, and the product of these numbers has ____ significant figures.
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