190000000 x 155555555555555555

Answers

Answer 1

Answer: i think the answer is :2.955555554 x10 26

Answer 2

Answer: if you use the calculator it says the answer is

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in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 62813. How many terms are in the series

Answers

$t_1=23,\ \ \ t_3=92\n\nthe\ geometric\ series\ \ \ \Rightarrow\ \ \ t_3=t_1\cdot q^2;\ \ \ q- the\ quotient \n\n92=23\cdot q^2\ /:23 \ \ \Rightarrow\ \ \ q^2= 4\ \ \ \Leftrightarrow\ \ \ (q=2\ \ \ or\ \ \ q=-2)\n\nSum\nS_n=t_1\cdot \frac{\big{1-q^n}}{\big{1-q}} \ \ \ \Rightarrow\ \ \ 62813=23\cdot \frac{\big{1-q^n}}{\big{1-q}} \ /:23 \ \ \ \Rightarrow\ \ \2731= \frac{\big{1-q^n}}{\big{1-q}} \n\n$

$1)\ \ \ q=2\n\Rightarrow\ \ \ 2731= \frac{\big{1-2^n}}{\big{1-2}} \ \ \ \Rightarrow\ \ \ 2731=2^n-1\ \ \ \ \Rightarrow\ \ \ 2^n=2732\n\n\Rightarrow\ \ \ n=log_22732\ \notin\ Natural\n\n$

$2)\ \ q=-2\ \ \ \ \Rightarrow\ \ \ 2731= \frac{\big{1-(-2)^n}}{\big{1-(-2)}} \ \ \ \Rightarrow\ \ 2731=\frac{\big{1-(-2)^n}}{\big{3}}\ /\cdot3 \n\n\ \ \ \Rightarrow\ \ \ 8193=1-(-2)^n\ \ \ \Rightarrow\ \ \ (-2)^n=-8192\ \ \ (\Leftrightarrow\ \ \ n-odd\ number)\n\n\ \Rightarrow \ \ \ (-2)^n=(-2)^(13)\ \ \ \Leftrightarrow\ \ \ n=13\n\nAns.\ In\ the\ geometric\ series\ are\ 13\ terms.$

What is 4,720 round to the nearest thousand

Answers

The answer would be 5,000

5,000 because 720 rounds to 1,000 and so that is the zeroes for 5,000 and it makes sense.

What is 12% of 17.5?

Answers

12 percent of 17.5 is equal t0 2.1.

Here we have to calculate,

12% of 17.5

We know that,

A figure or ratio that may be stated as a fraction of 100 is a percentage. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means. The letter "%" stands for it.

So in order to find percentage,

Divide 12 by 100,

Therefore,

⇒ 12% = 12/100

= 0.12

Now multiply 0.12 wit 17.5 we get,

⇒ 0.12 x 17.5

⇒ 2.1

Hence,

The required value ⇒ 2.1.

Learn more about the percent visit:

brainly.com/question/24877689

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12% of 17.5 would be 2.1.
Multiply 17.5 by 0.12.

The surface area of a cube is 486 ft2.

What is the area of one face of this cube?

Answers

cube has 6 sides
so
1 face =total area divide by 6

486/6=81
the area=81 ft^2

2x + 3y = 1
-x + 2y = -4

Answers

x=2 y=-1 what you do is you put them in y=mx+b form then you graph to find intercept.

Simplify the expression (-5-4)divided(-3+5)

Answers

Answer:

the answer is -4.5

Step-by-step explanation:

because when you have two negatives you add them which gives you 9 but -3+5 since 5 is bigger than -3, you minus 3 from 5 and that gives you 2 and -9/2 is -4.5

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