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

Question

Insert the corresponding expression:

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

00:00 Simply

00:04 According to the laws of exponents, the power of a fraction to the Nth power

00:07 equals the numerator and denominator, each raised to the same power (N)

00:12 We will use this formula in 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 use this formula in our exercise

00:37 And this is the solution to the question

$20^7$