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anonymous

  • one year ago

Evaluate the expression 7x2y, when x = 5 and y = 3.

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  1. Mehek14
    • one year ago
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    \(7x^2y?\)

  2. Mehek14
    • one year ago
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    does it look like that?

  3. anonymous
    • one year ago
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    yes @Mehek14

  4. Mehek14
    • one year ago
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    what is \(5^2?\)

  5. anonymous
    • one year ago
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    10

  6. Mehek14
    • one year ago
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    \(5^2=5*5\)

  7. anonymous
    • one year ago
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    my answer is 210

  8. anonymous
    • one year ago
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    but i wanna be sure its correct

  9. Mehek14
    • one year ago
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    it's not 210

  10. Mehek14
    • one year ago
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    \(7*5^2*3\\ 5^5=5*5=25\\7*25*3\)

  11. anonymous
    • one year ago
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    525

  12. Mehek14
    • one year ago
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    that's the answer

  13. anonymous
    • one year ago
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    thank you @Mehek14 can you help with one more?

  14. Mehek14
    • one year ago
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    sure

  15. anonymous
    • one year ago
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    ok go in my next tab im making a new question

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