Marina correctly simplified the expression Start Fraction negative 4 a Superscript negative 2 Baseline b Superscript 4 Baseline Over 8 a Superscript negative 6 Baseline b Superscript negative 3 Baseline End Fraction, assuming that a not-equals 0, b not-equals 0. Her simplified expression is below. Negative one-half a Superscript 4 Baseline b Superscript empty box What exponent should Marina use for b? mc027-4. j pg m c 0 27-5. j p g 1 7

Question

Deon Suarez

Mathematics

31 January, 16:24

Marina correctly simplified the expression Start Fraction negative 4 a Superscript negative 2 Baseline b Superscript 4 Baseline Over 8 a Superscript negative 6 Baseline b Superscript negative 3 Baseline End Fraction, assuming that a not-equals 0, b not-equals 0. Her simplified expression is below. Negative one-half a Superscript 4 Baseline b Superscript empty box What exponent should Marina use for b? mc027-4. j pg m c 0 27-5. j p g 1 7

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Maria Lamb · Answer 1

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Goblin · Answer 2

Answer: Marina should have applied the power of a power rule and multiplied the exponents instead of adding them. The simplified form should be j to the 16th power.