27-01-2021
Mathematics

contestada

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

Respuesta :

mhanifa mhanifa

27-01-2021

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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