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2 answers:
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For this case, we must find an expression equivalent to:
By definition of power properties we have:
Rewriting the previous expression we have:
The "-" are canceled and we take into account that:
So:
According to one of the properties of powers of the same base, we must put the same base and add the exponents:
Answer:
Option B
<h3>a) 
</h3><h3>■Dividing a positive and a negative equals a negative: (+)÷(-)=(-)</h3><h2>
</h2><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3><h2>
</h2><h3>■Multiply the fractions</h3><h2>
</h2><h3>Hence, Quotient =</h3><h3>b) 
</h3><h3>■Convert the decimals into a fractions</h3><h2>
</h2><h3>■Dividing a positive and a negative equals a negative: (+)÷(-)=(-)</h3><h2></h2><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3><h2></h2><h3>■Multiply the fractions</h3><h2></h2><h3>Hence, Quotient is </h3><h3>c)</h3><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3><h2></h2><h3>■Multiply the fractions</h3><h2></h2><h3>Hence, The Quotient is </h3>