Chapter PSS, Problem 49E

Interpretation Introduction

Interpretation:

The length of magnesium ribbon that reamins after two $\text{25}\text{.0-cm}$ strips are cut from $\text{255}\text{cm}$ of the metal ribbon is to be stated.

Concept introduction:

During the addition or subtraction of measurements, the answer is found to be limited by the value with the greatest uncertainty that is the answer by the decimal place is limited. The final unit in addition and subtraction remains the same as the unit in each single data.