Question Simplify the expression 9e3−r Evaluate e3×9−r×1Multiply the numbers 9e3−r×1Solution 9e3−r Show Solution Find the roots r=9e3Alternative Form r≈180.769832 Evaluate e3×9−r×1To find the roots of the expression,set the expression equal to 0 e3×9−r×1=0Multiply the numbers 9e3−r×1=0Any expression multiplied by 1 remains the same 9e3−r=0Move the constant to the right-hand side and change its sign −r=0−9e3Removing 0 doesn't change the value,so remove it from the expression −r=−9e3Solution r=9e3Alternative Form r≈180.769832 Show Solution