trinityrussell1
trinityrussell1 trinityrussell1
  • 25-05-2021
  • Mathematics
contestada

Hi can someone please help me? I’m confused

Hi can someone please help me Im confused class=

Respuesta :

jimrgrant1 jimrgrant1
  • 25-05-2021

Answer:

B, D and E

Step-by-step explanation:

Using the rules of exponents/ radicals

[tex]a^{-m}[/tex] = [tex]\frac{1}{a^{m} }[/tex]

[tex]a^{\frac{1}{2} }[/tex] = [tex]\sqrt{a}[/tex]

Given

[tex]49^{-\frac{1}{2} }[/tex] = [tex]\frac{1}{49^{\frac{1}{2} } }[/tex]  → E

= [tex]\frac{1}{\sqrt{49} }[/tex]  → B

= [tex]\frac{1}{7}[/tex] → D

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