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 ( 62+ )
Otras preguntas
Hull Identification Numbers (HINs) are used to properly identify a vessel and are marked on which of the following locations? A, Starboard side of the Bow A, St
Mrs.Roberts sewed m shirts using 2 yards of cloth for each shirt.She also sewed (m +2) dresses,using 5 yards of cloth for each dress. How much cloth did she use
Whats Elaine Scott’s favorite genre
____ is an attack method used to cause a Bluetooth-enabled device to dump the stored link key, which gives the attacker a chance to sniff the key-exchange proce
A financial economist is studying married couples in which both spouses work. He wants to compare the mean income earned by husbands with the mean income earned
how to personify an old computer
Which scale do seismologist use to indirectly measure the magnitude of an earthquake? A. Notable earthquake scale B. Puroclastic flow scale C. Elastic rebound s
The author suggests that all the decisions the crew made about the Apollo 11 patch were deliberate. How does the author's use of chronological order help to con
Which excerpt from "The Child of Urbino" best supports the claim? "Raphael called Luca to see his work. Trembling with eagerness, he uncovered his jar and platt
The power to establish post offices and post roads is held at which of the levels of government listed below? Select one: A. state B. local C.parish D. federal
