9,740,399 rounded to the nearest 100,000

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

Fill in the table with whole numbers to make 430 in five different ways

What are the domain and range of f(x)= -log5(x+2)