Last month the E-ZPass usage for a tall road was 8.2 times 10*7 for automobiles. for the same road the E-ZPass usage by bus was 2.3 times 10*5.what was the difference in usage in scientific notation?

Which statement is true about the function f(x)= square root -x ? the domain of the graph is all real numbers. the range of the graph is all real numbers. the domain of the graph is all real numbers less than or equal to 0. the range of the graph is all real numbers less than or equal to 0.