Question Simplify the expression 105WnZho Evaluate 20Zhao÷2100WanRewrite the expression 2100Wan20ZhaoReduce the fraction 2100Wn20ZhoSolution 105WnZho Show Solution Find the excluded values W=0,a=0,n=0 Evaluate 20Zhao÷2100WanTo find the excluded values,set the denominators equal to 0 Wan=0Separate the equation into 3 possible cases W=0a=0n=0Solution W=0,a=0,n=0 Show Solution