Which of these numbers is closest to 400?

308

391

411

425

391

Step-by-step explanation:

308 is 92 numbers away,

391 is 9 numbers away,

411 is 11 away,

425 is 25 away

The number that is closest to 400 from all the other options is option "B" - 391

Step-by-step explanation:

Because the difference between 400 and 391 will be the least.

and in the estimation method, we get the estimated value of 391 and nearset to 400.

Therefore option "B" is correct!