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Scientific notation.
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Scientific notation.

Scientific notation.-example-1
User Instance
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1 Answer

5 votes

Answer:

The answer is 2.31×10^12

Step-by-step explanation:

(4.2×10^9)(5.5×10^2)

(4.2×5.5)×(10^9×10^2)

23.1×10^9+2

23.1×10^11

Answer:2.31×10^12

User Wolffc
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