Mathematics, 07.12.2020 22:40 lisapcarroll

Richard simplified an expression in three steps, as shown below: x to the power of negative 4 multiplied by y to the power of 2, over y multiplied by x to the power of 2 multiplied by x to the power of 2 multiplied by y to the power of negative 4, the whole to the power of 3 equals x to the power of negative 12 multiplied by y to the power of 6, over y to the power of 3 multiplied by x to the power of 6 multiplied by x to the power of 6 multiplied by y to the power of negative 12 equals x to the power of negative 12 multiplied by y to the power of 6, over y to the power of negative 36 multiplied by x to the power of 36 equals x to the power of negative 48 times y to the power of 42. Which is the first incorrect step and why? Step 1: all the exponents are multiplied by 3 Step 2: the exponents in the denominator are multiplied Step 3: the exponents of the same base are subtracted during division Step 3: the exponents of the same base are added during division

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Richard simplified an expression in three steps, as shown below: x to the power of negative 4 multip...

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