Question

which of these numbers are less than 8.1 x 10`8 ?
A- 8.2 x10'8
B-7.3 x10'5
C-9.2 x10'9
D-3.4 x 10'10

Answer 1

I think the answer is D but I might be wrong.

Answer 2

I don’t know but I would say C in my opinion