How do you write 0.8301 in scientific notation

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Which linear inequality is represented by the graph?