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
2 answers
9.1×107
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?
1 answer