Use scientific notation to clarify significant figures if needed. Convert 140 feet into inches

To convert 140 feet into inches, we use the conversion factor that 1 foot equals 12 inches:

\[
140 \text{ feet} \times 12 \text{ inches per foot} = 1680 \text{ inches}
\]

### Scientific Notation and Significant Figures

If we consider the significant figures, 140 feet has 2 significant figures (as the trailing zero is not considered significant in this context). To express the result in scientific notation with 2 significant figures:

\[
1.7 \times 10^3 \text{ inches}
\]

So, 140 feet is approximately **1.7 × 10³ inches** when considering significant figures.

Would you like more details or have any questions?

Here are 5 related questions:
1. How would you convert 50 feet into inches using significant figures?
2. What is the conversion factor between inches and centimeters?
3. How would you convert 2000 inches back into feet?
4. What is the significance of using scientific notation in measurements?
5. How would you express 140 feet in meters?

**Tip:** Always match the significant figures of your answer to those in the given data for consistency.

Learn how to convert 140 feet into inches using scientific notation, considering significant figures. Discover the conversion factor and the scientific notation format used in this problem. Suitable for students in Grades 6-8.

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