Is the following always sometimes or never correct

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?