loll4
loll4
21-07-2015
Mathematics
contestada
what is the eighth term of the sequence 2,8,32,128
Respuesta :
naǫ
naǫ
22-07-2015
It's a geometric sequence.
[tex]2,8,32,128,... \\ \\ a_1=2 \\ r=\frac{a_2}{a_1}=\frac{8}{2}=4 \\ \\ a_n=a_1 \times r^{n-1} \\ a_8=2 \times 4^{8-1} \\ a_8=2 \times 4^7 \\ a_8=2 \times 16384 \\ a_8=32768[/tex]
The eighth term of the sequence is 32768.
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
Triangle ABC has an area of 25 square feet and a perimeter of 65.5 feet. △ABC is dilated by a factor of 5/2 to create △DEF. \ Calculate the area of ABC using t
A pattern follows the rule: obtuse triangle, obtuse triangle, right triangle, obtuse triangle... It also follows the rule isosceles, scalene isosceles, scalene.
Photosynthesis is the process by which: radiant energy from the sun is tranformed into chemical energy in glucose. radiant energy from the sun is tranformed int
4. Each boy on the hike is carrying 1.5 liters of water. If there are 15 boys, how many total liters of water are they carrying?
A measurable obligation arising from agreements, contracts, or laws is called a.
What is a good estimate and the actual measurement for this angle measurement? A. 110 and 109 B. 95 and 96 C. 90 and 91 D. 70 and 71
¿Cuántas caras quedan al cortar con un plano cada esquina de un cubo como se muestra en la figura?
Morgan owns XYZ Corp. , but after a year of operation the company has yet to earn a profit. Who has the most to lose if XYZ Corp. Fails
Find the value of x?
The factors chiefly responsible for interpersonal attraction include.
