santanajmatthew santanajmatthew
  • 02-07-2020
  • Mathematics
contestada

Find the 9th term of geometric sequence 7,14,28,...

Respuesta :

study21geek
study21geek study21geek
  • 02-07-2020

Answer:

56

Step-by-step explanation:

We have to look for the pattern in the numbers, so we can figure out what the next term in the sequence is !

It looks like, each number is multiplied by 2!

7 × 2 = 14

14 × 2 = 28

So,

28 × 2 = ?

The next term in the geometric sequence is ... 56!

Answer Link
yp3angels
yp3angels yp3angels
  • 02-07-2020

Answer: a^9=1792

Step-by-step explanation:

To find a9 we use formula

an = a1 · r

n−1

an = a1 · r

n−1

a9 = 7 · 2

9−1

a9 = 7 · 256

a9 = 1792

Answer Link

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