Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits. 14.820 mL + 3.97 mL = 9.77 mL 6.9 mL 2.70 mL + 6.800 mL = mL mL mL x10 X
Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits. 14.820 mL + 3.97 mL = 9.77 mL 6.9 mL 2.70 mL + 6.800 mL = mL mL mL x10 X
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
Section: Chapter Questions
Problem 43GQ: Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water...
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![### Measurement Operations
**Task:** Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits.
#### Problems:
1. **Addition:**
\[
14.820 \, \text{mL} + 3.97 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
2. **Subtraction:**
\[
9.77 \, \text{mL} - 6.9 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
3. **Addition:**
\[
2.70 \, \text{mL} + 6.800 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
#### Visual Aids:
Next to the problems, there is a control panel with the following elements:
- A square checkbox and a square checkbox labeled \(\times 10\).
- A grey bar with a large "X" symbol and a circular arrow, which likely represents cancel/reset options.
Be sure to apply the correct rules of significant figures for each operation.
### Notes on Significant Figures:
- **Addition/Subtraction:** The result should have the same number of decimal places as the measurement with the least number of decimal places.
#### Examples:
- For 14.820 mL + 3.97 mL, the result should be rounded to the hundredths place (two decimal places).
- For 9.77 mL - 6.9 mL, the result should be rounded to the tenths place (one decimal place).
- For 2.70 mL + 6.800 mL, the result should be rounded to the hundredths place (two decimal places).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc9a5f5a5-4eae-476c-bcab-4a001ac27552%2Fe0f23c7a-bbdf-44b7-882e-028c97859104%2Fwbcac7b_processed.png&w=3840&q=75)
Transcribed Image Text:### Measurement Operations
**Task:** Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits.
#### Problems:
1. **Addition:**
\[
14.820 \, \text{mL} + 3.97 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
2. **Subtraction:**
\[
9.77 \, \text{mL} - 6.9 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
3. **Addition:**
\[
2.70 \, \text{mL} + 6.800 \, \text{mL} = \quad \underline{\quad} \quad \text{mL}
\]
#### Visual Aids:
Next to the problems, there is a control panel with the following elements:
- A square checkbox and a square checkbox labeled \(\times 10\).
- A grey bar with a large "X" symbol and a circular arrow, which likely represents cancel/reset options.
Be sure to apply the correct rules of significant figures for each operation.
### Notes on Significant Figures:
- **Addition/Subtraction:** The result should have the same number of decimal places as the measurement with the least number of decimal places.
#### Examples:
- For 14.820 mL + 3.97 mL, the result should be rounded to the hundredths place (two decimal places).
- For 9.77 mL - 6.9 mL, the result should be rounded to the tenths place (one decimal place).
- For 2.70 mL + 6.800 mL, the result should be rounded to the hundredths place (two decimal places).
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