What is 2^-4×r^3×s^-2
when r=-3 and s=5?
explain ..

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Sum of the interior angles of a pentagon

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid