willifordnatalie
willifordnatalie willifordnatalie
  • 24-02-2020
  • Mathematics
contestada

which expression is equivalent to 3⁴ . 3-⁹

a. 1/3¹³

b. 1/3⁵

c. 3⁵

d. 3¹³​

Respuesta :

ujalakhan18
ujalakhan18 ujalakhan18
  • 24-02-2020

Answer:

3^-5 or 1/3^5(b)

Step-by-step explanation:

3⁴•3^-9

When bases are same powers are to be added

So the above expression becomes

3^4+(-9)

3^4-9

3^-5

Answer Link
amna04352
amna04352 amna04352
  • 24-02-2020

Answer:

b. 1/3⁵

Step-by-step explanation:

When multiplied with same base, powers add up

3⁴ × (3^-9) = 3^(4-9)

= 3^(-5)

To make the power positive, take it in the denominator

= 1/3⁵

Answer Link

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