Use Scientific Notation to Solve the Problem $1.2 \times 10 ^ { 7 }$

question 134

Multiple Choice

Use scientific notation to solve the problem.
-How many liters of oil are needed to supply the electrical energy needs of an average U.S. home for 7 weeks? Assume that the energy released by burning one liter of oil is $1.2 \times 10 ^ { 7 }$ joules and that the
Electrical energy used daily in an average U.S. home is $5 \times 10 ^ { 7 }$ joules. Round your answer to the
Nearest tenth of a liter.

• A)11.8 liters
• B)1.7 liters
• C)29.2 liters
• D)204.2 liters

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Definitions:

Peg Word Method

A mnemonic technique that involves linking words to numbers by creating vivid associations between them to remember lists or sequences.

False Memory

A psychological phenomenon where a person recalls something that did not happen or recalls it differently from the way it actually happened.

Loftus and Coan

Researchers known for their work in the field of memory, particularly in how suggestions can create false memories.

Memory Storage

The process of retaining information in the brain over time.