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twitch

  • 3 years ago

Evaluate 80 × a^-2 for a = 4.

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  1. twitch
    • 3 years ago
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    its multiple chose answers are 20 5 1/20 1/5

  2. AravindG
    • 3 years ago
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    this is equivalent ti \[80 \times 1/4^2=?\]

  3. AravindG
    • 3 years ago
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    *to

  4. twitch
    • 3 years ago
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    ?

  5. AravindG
    • 3 years ago
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    whats ur doubt?

  6. twitch
    • 3 years ago
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    im not understanding what you want me to figure out

  7. AravindG
    • 3 years ago
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    a^-2=1/a^2

  8. AravindG
    • 3 years ago
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    we need to evaluate for a=4

  9. AravindG
    • 3 years ago
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    putting a=4 we get above expression then divide and get answer

  10. musiclover101
    • 3 years ago
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    |dw:1357962314328:dw|

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