Evaluate (5/594)^(-3): Negative Exponent Expression Solution

Question

Insert the corresponding expression:

(56×9×11)3= \left(\frac{5}{6\times9\times11}\right)^{-3}=

Video Solution

Solution Steps

00:00 Simplify the following problem
00:03 According to the laws of exponents, a fraction raised to a negative exponent (-N)
00:07 is equal to its reciprocal raised to the opposite exponent (N)
00:12 We will apply this formula to our exercise
00:15 We'll convert to the reciprocal number and raise it to the opposite power
00:24 According to the laws of exponents, a fraction raised to an exponent (N)
00:28 is equal to the fraction where both the numerator and denominator are raised to the power (N)
00:33 We will apply this formula to our exercise
00:37 We'll raise both the numerator and denominator to the appropriate power, maintaining the parentheses
00:41 According to the laws of exponents, a product raised to the exponent (N)
00:44 is equal to the product broken down into factors where each factor is raised to the power (N)
00:49 We will apply this formula to our exercise
00:52 We'll break down each product into factors and raise them to the appropriate power
00:57 This is the solution

Step-by-Step Solution

To solve this problem, we will employ exponent rules:

  • Convert the negative exponent: (56×9×11)3=(6×9×115)3\left(\frac{5}{6 \times 9 \times 11}\right)^{-3} = \left(\frac{6 \times 9 \times 11}{5}\right)^3.
  • Simplify using the power of a quotient: (6×9×115)3=(6×9×11)353\left(\frac{6 \times 9 \times 11}{5}\right)^3 = \frac{(6 \times 9 \times 11)^3}{5^3}.
  • Further expand separately: 63×93×11353\frac{6^3 \times 9^3 \times 11^3}{5^3}.

Therefore, each proposed expression 63×93×11353\frac{6^3 \times 9^3 \times 11^3}{5^3}, (6×9×11)353\frac{(6 \times 9 \times 11)^3}{5^3}, and (6×9×115)3\left(\frac{6 \times 9 \times 11}{5}\right)^3 are equivalent and correct interpretations of the original expression.

All answers are correct.

The correct choice is option 4: All answers are correct.

Answer

All answers are correct