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b.l.m

  • 3 years ago

Simplify the product using the rules for exponents: 19^3 × 19^4

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  1. Yahoo!
    • 3 years ago
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    a^m * a^n = a^(m+n)

  2. b.l.m
    • 3 years ago
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    i dont get it

  3. Yahoo!
    • 3 years ago
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    here a =19 m =3 n = 4

  4. Yahoo!
    • 3 years ago
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    just subs in the equation

  5. b.l.m
    • 3 years ago
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    Select one of the options below as your answer: A. 19 × 7 B. 1912 C. 19−1 D. 197

  6. Yahoo!
    • 3 years ago
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    it is 19^7

  7. AnimalAin
    • 3 years ago
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    Ignore Shane_B in the first post. Yahoo! has this one covered.

  8. b.l.m
    • 3 years ago
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    haha ok

  9. Shane_B
    • 3 years ago
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    I typoed...my bad.

  10. jesusisrisen
    • 3 years ago
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    No both are wrong the correct answer is 19(3*4)

  11. Shane_B
    • 3 years ago
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    No :)

  12. Shane_B
    • 3 years ago
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    It should be 19^7...you only multiply the exponents if you're raising an exponent to another exponent.

  13. Shane_B
    • 3 years ago
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    @blm: Maybe this explanation will be better. The rule is:\[\large a^x*a^y=a^{x+y}\]Which can be easily proven with an example: \[a^2*a^3=a^5=a*a*a*a*a\]

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