jaqulinemaldonp3jjz4 jaqulinemaldonp3jjz4
  • 02-02-2018
  • Mathematics
contestada

Which shows the following expression using positive exponents?
a^3b^-2/ab^-4, a ≠ 0, b ≠ 0
A a^3b^-4/ab^-2
B ab^4/a^3b^2
C -a^3b^4/ab^2
D a^3b^4/ab^2

Respuesta :

carlosego
carlosego carlosego
  • 12-02-2018
a ^ 3b ^ -2 / ab ^ -4, a ≠ 0, b ≠ 0
 First we rewrite the expression respecting the properties of the exponents.
 b ^ -2 = 1 / b ^ 2
 1 / b ^ -4 = b ^ 4
 We have then:
 a ^ 3b ^ -2 / ab ^ -4
 a ^ 3b ^ 4 / ab ^ 2
 answer:
 An expression using positive exponents is
 D a^3b^4/ab^2

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