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Question 4(Multiple Choice Worth 5 points) (01.03 HC) Tom simplified an expression in three steps,

as shown: x to the power of negative 2 multiplied by y to the power of 4, over y multiplied by x to the power of 4 multiplied by x to the power of 4 multiplied by y to the power of negative 2, the whole to the power of 4 equal to x to the power of 2 multiplied by y to the power of 8, over y to the power of 4 multiplied by x to the power of 8 multiplied by x to the power of 8 multiplied by y to the power of 2 equal to x to the power of 2 multiplied by y to the power of 8, over y to the power of 6 multiplied by x to the power of 16.

Which is the first incorrect step and why?


A Step 1, all the exponents are increased by 4
B Step 2, the exponents of the same base are added during multiplication
C Step 3, the exponents of the same base are subtracted during division
D Step 3, all the exponents are added during division

User IFink
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1 Answer

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Step 3, the exponents of the same base are added during division, as you are supposed to subtract the exponents during division
User Dan Filimon
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