anonymous
  • anonymous
rewrite the following without an exponent (-7)^-1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
When your power is negative (-) get 1 and power will be pasetive (+) for example : 10^-1=1/10^1 7^-5=1/7^5 Now answer !:) :D
anonymous
  • anonymous
1/7^1?
anonymous
  • anonymous
Yeah !

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anonymous
  • anonymous
But its -7 and we have 1/-7^1
anonymous
  • anonymous
oh okay, I forgot that lol. thanks!
austinL
  • austinL
Basically think of it like this, if you have a number to a negative exponent, you put that number under one to the positive exponent. \(\large{x^{-n}=\dfrac{1}{x^n}}\)
anonymous
  • anonymous
okay thank you!
anonymous
  • anonymous
can you help me with another one?
austinL
  • austinL
Who are you talking to, me or @E.ali ?
anonymous
  • anonymous
(7/8)^-2 and it doesn't matter
austinL
  • austinL
\(\large{\dfrac{a}{b}^{-n}=\dfrac{b^n}{a^n}}\)
anonymous
  • anonymous
so 7^2/8^2?
austinL
  • austinL
Nope, other way around :)
anonymous
  • anonymous
but it says rewrite it with no exponents
austinL
  • austinL
Lol, what is \(8^2~and~7^2\)?
anonymous
  • anonymous
64 and 49
anonymous
  • anonymous
so its 64/49? that's the answer?
austinL
  • austinL
It is indeed!

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