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matrenka [14]
3 years ago
12

What is the value of the missing exponent? 123,456,789 = 1.23456789 x 10^

Mathematics
1 answer:
mestny [16]3 years ago
6 0

Answer:

123,456,789 = 1.23456789\times 10^8

Step-by-step explanation:

It is required to find the value of the missing exponent in the below value i.e.

123,456,789 = 1.23456789\times 10^x

Let the exponent is x.

Any number can be written in the scientific notation as :

N=a\times 10^b

a is a real number

b is any integer

In this case, the decimal is applied before 8 numbers. It means that the value of x is 8.

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Find a parametric representation for the surface. the part of the plane z = x + 3 that lies inside the cylinder x2 + y2 = 9. (en
Evgesh-ka [11]
The cylinder is a clue to use cylindrical coordinates. Taking x=3\cos\theta and y=3\sin\theta, we then are forced to use z=3\cos\theta+3. So the parameterization of the intersection of the plane and cylinder is

\mathbf s(\theta)=(3\cos\theta,3\sin\theta,3\cos\theta+3)

To get the surface, we can introduce a second parameter r that "contracts" the elliptical intersection to a point. The simplest way to do this is to use

\mathbf s(r,\theta)=(3r\cos\theta,3r\sin\theta,3r\cos\theta+3)

with 0\le r\le1 and 0\le\theta\le2\pi.
7 0
2 years ago
What is 0.467 + 0.025?<br> O A. 0.442<br> B. 0.4695<br> C. 0.492<br> OD. 0.717
enyata [817]

Answer:

C. 0.492

Step-by-step explanation:

All I did was add the two numbers. Add them like normal, even though they are in decimal form. You could also use a calculator. If you don't have one, there should be one programed into your phone and computer.

  0.467

+ 0.025

= 0.492

I hope this helps! Please let me know if you have any more questions or need any more help. Have a great day!

5 0
3 years ago
I need help<br><br> I think 1517m
patriot [66]
The answer is 3033 m^2

3 0
3 years ago
Bobby is buying ribs for his 4th of July cookout. The ribs are on sale for $3.50 per pound. If Bobby buys 5.5 pounds of ribs, ho
Rama09 [41]

Answer:

gurl idek

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What is the length of the unknown leg in the right triangle? A right triangle has a side with length 20 meters, hypotenuse with
galben [10]

The length of the unknown leg of the triangle is 15 m.

<u>Step-by-step explanation:</u>

Length of one leg = 20 m

Length of the hypotenuse= 25m

As it is a right angled triangle we can use pythogoras theorem.

Let the unknown length be y

(20) (20)  + y(y) = (25) (25)

400 + y(y) = 625

y(y) = 225

y = √225

y = 15

The length of the unknown leg is 15 m.

6 0
2 years ago
Read 2 more answers
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