Evaluate (15/21) Raised to the Negative Third Power: Step-by-Step Solution

Question

Insert the corresponding expression:

(1521)3= \left(\frac{15}{21}\right)^{-3}=

Video Solution

Solution Steps

00:00 Simply
00:04 According to the laws of exponents, any fraction with a negative exponent (-N)
00:09 equals the reciprocal fraction with the opposite exponent (N)
00:12 We will use this formula in our exercise
00:21 And this is the solution to the question

Answer

(2115)3 \left(\frac{21}{15}\right)^3