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Perform the Indicated Calculation (3×105)(7×108)\left( 3 \times 10 ^ { 5 } \right) \left( 7 \times 10 ^ { 8 } \right)

Question 32

Multiple Choice

Perform the indicated calculation. Express your answer using scientific notation.
- (3×105) (7×108) \left( 3 \times 10 ^ { 5 } \right) \left( 7 \times 10 ^ { 8 } \right)


A) 21×101421 \times 10 ^ { 14 }
B) 2.1×10142.1 \times 10 ^ { 14 }
C) 2.1×10132.1 \times 10^{13}
D) 21×104021 \times 10 ^ { 40 }

Correct Answer:

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