Perform the Indicated Operation $\left( 5.4 \times 10 ^ { - 6 } \right) \left( 1.8 \times 10 ^ { - 6 } \right) \left( 4.2 \times 10 ^ { 7 } \right)$

question 85

Multiple Choice

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary) . $\left( 5.4 \times 10 ^ { - 6 } \right) \left( 1.8 \times 10 ^ { - 6 } \right) \left( 4.2 \times 10 ^ { 7 } \right)$

• A) \(4.082 \times 10 ^ { 3 }\)
• B) \(4.08 \times 10 ^ { - 3 }\)
• C) \(4.082 \times 10 ^ { 4 }\)
• D) \(4.07 \times 10 ^ { - 3 }\)
• E) \(4.08 \times 10 ^ { - 4 }\)

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Formal agreements between countries that define and modify their mutual duties and obligations.