Use a calculator to evaluate the expression . Express the answer to six decimal place accuracy.

{Note: Some comments made below refer to the operations of the TI 80 or above series of calculators.If you have a different brand of calculator, you may need to refer to its manual for assistance.}

e ^ (7 / 9)
Note that the use of parentheses is necessary for the correct evaluation of this expression.
Write out the expression for exactly as entered into the calculator. Note that your calculator has a key for the exponential function e x . It located as a 2 nd function associated with the LN key.
2.176630 Write the decimal value as displayed on the calculator.
Show work. It is important that one understand the necessity for using parentheses. Suppose the parentheses were omitted in entering the expression. {i.e. suppose that one entered e ^ 7 / 9 } What would be the equivalent mathematical expression written in standard form?

 

Return to the Exercise List