Q. Write the following expression without negative exponents and without parentheses.(−2x)−3Answer:
Understand Negative Exponents: First, we need to understand the properties of negative exponents. The negative exponent indicates that we should take the reciprocal of the base. So, (−2x)−3 means we should take the reciprocal of (−2x) and then raise it to the power of 3.
Reciprocal and Cubing: Taking the reciprocal of (−2x) gives us −2x1. Now we need to raise this to the power of 3, which means we will cube both the numerator and the denominator.
Simplify the Expression: Cubing the numerator 13 gives us 1. Cubing the denominator (−2x)3 gives us −8x3 because (−2)3 is −8 and (x)3 is x3.
Simplify the Expression: Cubing the numerator 13 gives us 1. Cubing the denominator (−2x)3 gives us −8x3 because (−2)3 is −8 and (x)3 is x3.Putting it all together, we have 13/(−2x)3 which simplifies to 1/−8x3. Since we typically don't leave negative signs in the denominator, we can write this as 10.
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