reaganelizahawthorne reaganelizahawthorne
  • 11-02-2020
  • Mathematics
contestada

Define the value of the expression 3^2 x 3^{-5}


Greater than 1

Between 0 and 1

Less than 0

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 17-02-2020

Answer:

Between 0 and 1

Step-by-step explanation:

The given expresion is

[tex] {3}^{2} \times {3}^{ - 5} [/tex]

Recall that:

[tex] {a}^{m} \times {a}^{n} = {a}^{m + n} [/tex]

We apply this property of exponents to get;

[tex] {3}^{2} \times {3}^{ - 5} = {3}^{2 + - 5} = {3}^{ - 3} [/tex]

We rewrite to obtain a positive index as:

[tex] {3}^{2} \times {3}^{ - 5} = \frac{1}{ {3}^{3} } = \frac{1}{27} [/tex]

Therefore the value of the expression is between 0 and 1.

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