Question Simplify the expression 1−2n Evaluate 4−3−2nSolution 1−2n Show Solution Find the roots n=21Alternative Form n=0.5 Evaluate 4−3−2nTo find the roots of the expression,set the expression equal to 0 4−3−2n=0Subtract the numbers 1−2n=0Move the constant to the right-hand side and change its sign −2n=0−1Removing 0 doesn't change the value,so remove it from the expression −2n=−1Change the signs on both sides of the equation 2n=1Divide both sides 22n=21Solution n=21Alternative Form n=0.5 Show Solution
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