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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