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nirvana33 [79]
3 years ago
5

can someone explain scientific notation to me? i dont know if this would be a right question but i need it to be explained

Mathematics
1 answer:
Nikitich [7]3 years ago
8 0

Answer:

In step by step explanation

Step-by-step explanation:

Move your decimal until you have one non-zero number left of your deciaml point the number of times you moved you decimal to the left will be the exponent you put attached to a ten.

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Write the sum using summation notation, assuming the suggested pattern continues. 5 - 15 + 45 - 135 + ...
nalin [4]

Answer:

<em>summation of five times negative three to the power of n from n equals zero to infinity</em>

Step-by-step explanation:

<u>Summation Notation </u>

It represents the sum of a finite or infinite number of terms. Let's analyze the terms of the given succession:

5-15+45-135+...

If we take 5 as a common factor, we have

5(1-3+9-27+...)

The parentheses contain the alternate sum/subtraction of powers of 3. The odd terms are positive, the even terms are negative, thus the exponent must be n starting from 0 or n-1 starting from 1

The summation is then represented by

\sum_{n=0}^{\infty}5(-3)^n

This corresponds with the option:

<u>summation of five times negative three to the power of n from n equals zero to infinity</u>

8 0
3 years ago
A fruit basket contains only apples and bananas. If there are 8 apples and 13 bananas, what is the ratio of bananas to fruit?
elena55 [62]
Your answer is 13:21
7 0
3 years ago
Solve the equation for R<br> I=V/R<br><br> Include math
Reika [66]

Step-by-step explanation:

I=V/R

I*R=V

R=V/I

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8 0
3 years ago
Find the value of x. If necessary, round your answer to the nearest tenth. The figure is not
Mashcka [7]

Answer:

9.2

Step-by-step explanation:

we can use the pythagorean theorem to find the hypotenuse between the centre of the circle and the midpoint of the line segment.

hence,

x = sqrt(36 + 49)

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4 0
2 years ago
I need help QUICK. I dont know this
iris [78.8K]
The answer is C i believe 
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3 years ago
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