claynewsomeoveac2 claynewsomeoveac2
  • 01-12-2017
  • Mathematics
contestada

which expression is equivalent to b^-2/ab^-3 assume a=0 b=0
Answers:
a/b^5
1/ab^5
a^3b/1
b/a

Respuesta :

amanda2thnickp08jnx
amanda2thnickp08jnx amanda2thnickp08jnx
  • 01-12-2017
b^-2/ab^-3 = b^-2/b^-3 x 1/a = b^[-2-(-3)] x 1/a = b x 1/a = b/a
Answer Link
calculista
calculista calculista
  • 21-10-2018

we have

[tex]\frac{b^{-2}} {ab^{-3}}[/tex]

we know that

[tex]\frac{b^{-2}} {ab^{-3}} =(\frac{1}{b^{2}})( \frac{1}{a})( b^{3})\\ \\=\frac{b^{3}}{ab^{2}} \\ \\= \frac{b}{a}[/tex]

therefore

the answer is the option

[tex]\frac{b}{a}[/tex]

Answer Link

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