Question Simplify the expression −86400RMao Evaluate 1×Ri×86400MiaoRewrite the expression Ri×86400MiaoUse the commutative property to reorder the terms iR×86400MiaoMultiply the numbers 86400iRMiaoSolution More Steps Evaluate 86400i×iMultiply 86400i2Use i2=−1 to transform the expression 86400(−1)Calculate −86400 −86400RMao Show Solution