Question Simplify the expression 2e−5c Evaluate 21×e−5cSolution 2e−5c Show Solution Find the roots c=5eAlternative Form c≈0.543656 Evaluate 21×e−5cTo find the roots of the expression,set the expression equal to 0 21×e−5c=0Multiply the numbers 2e−5c=0Simplify e−5c=0Move the constant to the right side −5c=0−eRemoving 0 doesn't change the value,so remove it from the expression −5c=−eChange the signs on both sides of the equation 5c=eDivide both sides 55c=5eSolution c=5eAlternative Form c≈0.543656 Show Solution