Chapter 7: Q14. (page 399)
Evaluate each expression.
Short Answer
The required evaluated value is represented by.
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Chapter 7: Q14. (page 399)
Evaluate each expression.
The required evaluated value is represented by.
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MULTIPLE CHOICE Antonia is carpeting two of the rooms in her house. The dimensions are shown. What is the total area to be carpeted?

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Determine whether the given expression is a monomial. Write yes or no.
Explain your reasoning.
15
Evaluate each product or quotient. Express the results in scientific notation.
Determine whether the given expression is a monomial. Write yes or no.
Explain your reasoning.
122
ENERGY Matter can be converted completely into energy by using the formula at the left. Energy is measured in joules, mass in kilograms, and the speed of light is about 300 million meters per second.
a. Complete the calculations to convert 3 kilograms of gasoline completely into energy.
b. What happens to the energy if the amount of gasoline is doubled?
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