Home Chapter 1 Essay Questions

# Essay Questions

This activity contains 10 questions.

## Explain the importance of using scientific notation.

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## Describe the format of a number in scientific notation.

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## What is required of numbers in scientific notation if they are to be added or subtracted?

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## Describe the difference between adding/subtracting and multiplying/dividing when using scientific notation.

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at the end.

## Describe the format of a number in engineering notation.

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## How are metric prefixes used to express numbers?

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## Explain the meaning of the following terms: error, accuracy, and precision.

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## Explain the five rules for significant digits.

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## Explain the three rules for rounding off numbers.

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## Explain why three significant digits are usually used to represent measured quantities.

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