Common Algebra Mistakes
Fragment: Order of Operations with Exponential Expression 
The Mistake Fragment
Find the algebra mistake: (Roll the mouse over the algebra to see a hint in red) The Correction
(Roll the mouse over the area above to see the correction in blue) An Explanation The 10 cannot be combined with the 1.3 since the 1.3 is raised to the power t while the 10 is not. The order of operations rules mean that 1.3 is raised to the power t first and then the result is multiplied by 10. The 10 and the 1.3 could be combined if both were raised to a common power, as follows:

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