Question

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Answer 1

Answer:

${x}^{ - 150} \div {x}^{ - 144 } \\ = {x}^{ - 150 - ( - 144)} \\ = {x}^{ - 150 + 144} \\ = {x}^{ - 6}$

Answer 2

Answer:

a=x^(25×-6)=x^(-150)

b=x^(-3×48)=x^(-144)

a/b=x^(-150-(-144))=x^(-6)