I don't get this. I need help.

What is the value of the digit 1 in the number 13?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d