arooja
contestada

simplify and Express the the result in power notation with positive exponents
a) 2-³×(-7)-³​

Respuesta :

mhanifa

Answer:

  • -1/14³

Step-by-step explanation:

Use properties:

  • aⁿbⁿ = (ab)ⁿ
  • a⁻ⁿ = 1/aⁿ

Simplify:

  • 2⁻³*(-7)⁻³​ =
  • (2*(-7))⁻³ =
  • (-14)⁻³ =
  • -14⁻³ =
  • -1/14³

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