I will give Brainliest to first correct answer

B

Step-by-step explanation:

Population density= population/land

(1.2*10^6)/(1.1*10^4)

EE N would be 10 to the power of N

in other words the population would be

1.2*EE 6

and land would be

1.1*EE 4

Which would make the keystroke

1.2EE6/1.1EE4

which is equal to B

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.