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Select all the expressions that are equivalent to 12535\frac{12^5}{3^5}. \newlineMulti-select Choices:\newline(A) 145\frac{1}{4^5}\newline(B) 454^5\newline(C) 44\newline(D) 404^0

Full solution

Q. Select all the expressions that are equivalent to 12535\frac{12^5}{3^5}. \newlineMulti-select Choices:\newline(A) 145\frac{1}{4^5}\newline(B) 454^5\newline(C) 44\newline(D) 404^0
  1. Recognize Simplification Opportunity: First, we need to simplify the expression 12535\frac{12^5}{3^5} by recognizing that 1212 can be written as a product of 33 and another integer.\newline12=3×412 = 3 \times 4, so we can rewrite 12512^5 as (3×4)5(3 \times 4)^5.
  2. Apply Power of a Product Rule: Now, we apply the power of a product rule, which states that (ab)n=an×bn(ab)^n = a^n \times b^n. So, (3×4)5=35×45(3 \times 4)^5 = 3^5 \times 4^5.
  3. Divide and Simplify: We can now simplify the original expression by dividing 35×453^5 \times 4^5 by 353^5.\newline(35×45)/35=45(3^5 \times 4^5) / 3^5 = 4^5, because 35/35=13^5 / 3^5 = 1.
  4. Compare with Choices: Now we compare the simplified expression 454^5 with the given choices to determine which are equivalent.\newline(A) 145\frac{1}{4^5} is not equivalent because it is the reciprocal of 454^5.\newline(B) 454^5 is equivalent because it is the result of our simplification.\newline(C) 44 is not equivalent because it is 414^1, not 454^5.\newline(D) 404^0 is not equivalent because any non-zero number raised to the power of 00 is 11, not 454^5.

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