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

Question

Responses

9.1×10^7
9.1 times 10 superscript 7 baseline

8.1×10^7
8.1 times 10 superscript 7 baseline

9.1×10^14
9.1 times 10 superscript 14 baseline

9.1+10^7
9.1 plus 10 superscript 7 baseline

Answer 1

9.1×10^7