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Which is equal to 1545\frac{1}{54^5}?\newlineChoices:\newline(A) 545-54^5\newline(B) (54)5(-54)^5\newline(C) 54554^{-5}\newline(D) 1545-\frac{1}{54^{-5}}

Full solution

Q. Which is equal to 1545\frac{1}{54^5}?\newlineChoices:\newline(A) 545-54^5\newline(B) (54)5(-54)^5\newline(C) 54554^{-5}\newline(D) 1545-\frac{1}{54^{-5}}
  1. Understand given expression: Understand the given expression 1545\frac{1}{54^5}. The given expression is a fraction with 11 in the numerator and 54554^5 in the denominator. We need to find an equivalent expression among the choices given.
  2. Analyze choices: Analyze the choices to find an equivalent expression.\newline(A) 545-54^5 is not equivalent because it represents a negative value, while 1545\frac{1}{54^5} is positive.\newline(B) (54)5(-54)^5 is not equivalent because it represents a negative value due to the odd exponent, while 1545\frac{1}{54^5} is positive.\newline(C) 54554^{-5} uses the negative exponent rule, which states that am=1ama^{-m} = \frac{1}{a^m}. This looks like the correct equivalent expression for 1545\frac{1}{54^5}.\newline(D) 1545-\frac{1}{54^{-5}} is not equivalent because it represents a negative value, while 1545\frac{1}{54^5} is positive.
  3. Confirm correct choice: Confirm the correct choice by applying the negative exponent rule.\newlineAccording to the negative exponent rule, 54554^{-5} is equal to 1/5451/54^{5}. Therefore, the correct choice is (C) 54554^{-5}.