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math

posted by on .

simplify the following

7pq
----
14p(to the power2)q(to the power -2)

also

(5ab)All to the power -2 x 15a (to the power 2) x b (to the power 3)

  • math - ,

    7 pq/[14p^2*q^-2)]
    = (1/2)q^3/p

    (Exponents in the denominator can be subtracted from exponents in the numerator, or vice versa, if they are exponents of the same number).
    1/q-2 = q^2

    (5ab)^-2 * 15a^2b^3 =
    15 a^2b^3/[25 a^2 b^2]
    =(15/25)b = (3/5)b

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