How do you turn .15 repeating into a fraction show work

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

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)