1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mila [183]
3 years ago
8

What is the sum of the geometric sequence 4, 16, 64, ... if there are 8 terms? (6 points)

Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer:

87380

Step-by-step explanation:

The sum to n terms of a geometric sequence is

S_{n} = \frac{a(r^n-1)}{r-1}

where a is the first term and r the common ratio

r = \frac{16}{4} = 4 and a = 4, hence

S_{8} = \frac{4(4^8-1)}{4-1} = \frac{4(65535)}{4} = 87380

You might be interested in
(3.9 x 10^20)(2.3x10^60) please explain will give Brainliest answer
Lunna [17]

Answer:

(8.97x^2) *(10^80)

Step-by-step explanation:

See attachment

8 0
3 years ago
What is another way to write 300+20+5
Aleks04 [339]
325 you will get as your answer
3 0
4 years ago
Read 2 more answers
A gym charges an initial fee plus $25 per month. John paid $200 for six months. Assume the relationship is linear.
charle [14.2K]

Step-by-step explanation:

a. The rate of change is $33.33 per month

200/6 = approximately $33.33 per month

This means that in addition to the initial fee, Josh has to pay $33.33 per month for the gym membership.

b. The initial value is $25. This is a constant value and a one time fee to open and attain a gym membership.

7 0
3 years ago
ARE the square root of the positive integer irrational? if not given an example of the square root of a number that is a rationa
Lena [83]

9514 1404 393

Answer:

  no; √4 = 2

Step-by-step explanation:

If an integer is the square of another integer, its square root is rational. For example, 9 = 3², so √9 = 3, a rational number.

The square root of an integer is irrational if and only if the integer is not a perfect square.

6 0
3 years ago
The cost of 24 bottles of water is $6?witch expression shows to find the cost of 10 bottles of water
Dovator [93]

Answer:

so 24 bottles = 6 so you need to find out what 1 bottle cost so you do 6/24 = 0.25$ so then to find 10 you just easily multiple 10x0.25 = 2.5$

Step-by-step explanation:

Here you go, Hope this helped :)

3 0
3 years ago
Other questions:
  • 92ft long and 48 wide resurface 2.75$
    10·1 answer
  • (Fill in the blank) ____ two points are collinear. A. Any B. No C. Sometimes
    7·1 answer
  • The total number of marbles is 70 and there are 6 times as many blue marbles as yellow marbles. how many red marbles are in the
    15·1 answer
  • Evaluate when a=-6 and y=4 2a-y
    7·1 answer
  • What's 1,112,433 rounded to the nearest ten thousand
    8·2 answers
  • Make a bowl of Pho wit 3 ingredients that cost 14.50.<br> Will choose brainliest
    11·1 answer
  • 19. Use the unit circle to find the value of tan 315º.<br> Show work pls.
    15·1 answer
  • To celebrate her birthday, Whitney wants to take her friends adventuring in a 4WD vehicle from All Terrain Tours.
    13·1 answer
  • Simplify the following expression: 5(3x) - 3(7x - 2)
    10·1 answer
  • Hi I need help with the questions below, thank you!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!