rossijoseph814 rossijoseph814
  • 11-08-2020
  • Mathematics
contestada

Which expression is equivalent to 73 ⋅ 7−5? 72 77 1 over 7 to the 2nd power 1 over 7 to the 7th power

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sqdancefan
sqdancefan sqdancefan
  • 21-08-2020

Answer:

  1/7^2

Step-by-step explanation:

The applicable rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

  a^-b = 1/a^b

__

Then your expression simplifies to ...

  [tex]7^3\cdot 7^{-5}=7^{3-5}=7^{-2}=\boxed{\dfrac{1}{7^2}}[/tex]

Answer Link
EthanY2306
EthanY2306 EthanY2306
  • 23-10-2020

Answer:

The answer is 1/7^2

Step-by-step explanation:

I took the test lol

Answer Link

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