Add Numbers in Scientific Notation Quick Check

Question

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Question
The population of a city is given as 3.45×10^6. A nearby city has a population of 1.3×10^5. What is the sum of the populations of the two cities in scientific notation?(1 point)
Responses

3.58×10^6
3.58 times 10 superscript 6 baseline

35.8+10^5
35.8 plus 10 superscript 5 baseline

4.75×10^5
4.75 times 10 superscript 5 baseline

4.75×10^11
4.75 times 10 superscript 11 baseline

Answer 1

The correct answer is: 3.58×10^6