Matematika

Pertanyaan

Ubahlah menjadi pangkat bulat positif!
A. (-8)-³ C. (3-³/2pangkat5)-²
B. (1/5⁴) ³ D. (5³/6⁴) -³

1 Jawaban

  • A.
    [tex] {( - 8)}^{ - 3} = \frac{1}{ {( - 8)}^{3} } \\ = - \frac{1}{512} [/tex]
    B.
    [tex]( { \frac{1}{ {5}^{4} } })^{3} = \frac{1}{ {5}^{12} } [/tex]
    C.
    [tex] ({ \frac{ {3}^{ - 3} }{ {2}^{5} } })^{ - 2} = {( \frac{ {2}^{5} }{ {3}^{ - 3} } })^{2} = {( {2}^{5} \times {3}^{3} )}^{2} = ( {2}^{10} \times {3}^{6} )[/tex]
    D.
    [tex] {( \frac{ {5}^{3} }{ {6}^{4} } )}^{ - 3} = \frac{ {5}^{ - 9} }{ {6}^{ - 12} } = \frac{ {6}^{12} }{ {5}^{9} } [/tex]

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