What is three and nine hundred twenty-two thousands in decimals

Carlos has 4/5 of a tank of fuel in his car. he uses 1/10 of a tank per day. how many days will his fuel last?

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Find the missing dimension! need asap! tiny square is a =3025 in ²