angeliascott21 angeliascott21
  • 25-07-2020
  • Mathematics
contestada

find the 10th term of a geometric sequence whose first tow terms are 2 and -8

Respuesta :

lucasella
lucasella lucasella
  • 25-07-2020

Answer:

t10 = - 2¹⁹= -524288

Step-by-step explanation:

t1=2

t2=-8

r=t2/t1=-8/2=-4

t10=t1*r⁹

t10=2*(-4)⁹= -2*(2²)⁹

t10= -2¹⁹= -524288

Answer Link
maforchrist
maforchrist maforchrist
  • 25-07-2020

Answer:

-524288

Step by step

so use the formula

ar^n-1

so

a is first term

r is common ratio

n is number of terms

so

get r which is -8/2=-4

then apply

2×(-4^9)=answer

not sure

Answer Link

Otras preguntas

How did hitler turn Germany into a dictatorship using the enabling act ?
how can you simplify - (2a-4b) - 5(b+6a)
Time measured in minutes is an example of a(n) _______________ scale.
"which social engineering attack sends a personalized message to high-ranking individuals"
why did difference between the cultures of the amercian people and the indigenous people cause conflict
Graph the line by locating any two ordered pairs that satisfy the equation y = 1/4x+1
The importance of carbon what would most likely happen to the carbon cycle if there were no more plants on earth?
The wavelength of a specific photon in the x-ray is 5 x 10-9 meters. Given that the speed of light is 2.998 x 108 m/s, what would be the frequency of this x-ray
On average, Americans consume approximately ______% of total kilocalories as fat.
how do i solve it 1.2c=0.6