Asked by answer this

Add 7.3×107+1.8×107 . Which is the correct sum?(1 point)
Responses

9.1×107
9.1 times 10 superscript 7 baseline

9.1+107
9.1 plus 10 superscript 7 baseline

9.1×1014
9.1 times 10 superscript 14 baseline

8.1×107
Answered by ok
The population of a city is given as 3.45×106 . A nearby city has a population of 1.3×105 . What is the sum of the populations of the two cities in scientific notation?
Answered by GPT 3.5
9.1×107