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
8.1×107
8.1 times 10 superscript 7 baseline
9.1×1014
1 answer
9.1×107