Calculate (1/20)^(-7): Negative Exponent Expression Evaluation

Question

Insert the corresponding expression:

(120)7= \left(\frac{1}{20}\right)^{-7}=

Video Solution

Solution Steps

00:00 Simplify the following problem
00:04 According to the laws of exponents, a fraction raised to the power (N)
00:07 equals the numerator and denominator, each raised to the same power (N)
00:12 We will apply this formula to our exercise
00:19 1 raised to any power always equals 1
00:27 According to the laws of exponents, a number raised to a power (N)
00:30 equals its reciprocal raised to the same power (N) multiplied by (-1)
00:34 We will apply this formula to our exercise
00:37 This is the solution

Answer

207 20^7