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marshall27 [118]
3 years ago
13

How do i convert 30270000 into scientific notation

Mathematics
2 answers:
Anna [14]3 years ago
4 0

Answer

3.027 × 10^7

I'm not the best at explaining but here is my attempt

You start with 30270000 you write the first number which is 3 then put a decimal and then put the rest of the numbers until the rest of the numbers are zeros..


3.027

Then put a × 10^

3.027 × 10^

And then the original number's digit count minus 1 is the number so 0270000 is 7 digits so the answer is

3.027 × 10^7


Sorry i'm horrible at explaining

kari74 [83]3 years ago
4 0

Answer:

3.027 × 10^7

Step-by-step explanation:

30270000

We need to move the decimal until there is only one digit to the left of the decimal.  So we move it 7 places to the left.The 7 becomes out exponent.  When we move it to the left, the exponent is positive.  If we had moved it to the right, our exponent would have been negative

3.0270000 * 10 ^7

We can drop the trailing zero's

3.027 * 10 ^7

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iren2701 [21]

Answer:

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Step-by-step explanation:

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2 years ago
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3 years ago
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4 0
2 years ago
1. The sum of the three consecutive members of the geometric sequence is 13. The proportion of the third and the first member is
aev [14]
If a = first term and r = common ratio we have

a + ar + ar^2 = 13   and ar^2 / a = r^2 = 9

so r = 3

and a + 3a + 9a = 13 
so a = 1

so they are  1,3 and 9 

2.
in geometric series we have

4 , 4r ,4r^2 , 60

Arithmetic;
 4,  4r , 4r + d ,  4r + 2d

so we have the system of equations
4r + 2d = 60
4r^2 = 4r + d
From first equation
2r + d = 30 
so d = 30 - 2r 
Substitute for d in second equation:-
4r^2 - 4r - (30-2r) = 0
4r^2 - 2r - 30 =0

2r^2 - r - 15 = 0
(r - 3)(2r + 5) = 0
r  = 3 or -2.5
r must be positive so its = 3
and d = 30 - 2(3) = 24

and the numbers are 4*3 =  12 , 4*3^2 = 36

first 3  are  4 , 12 and 36  ( in geometric)
and last 3 are 12, 36 and 60  ( in arithmetic)

The 2 numbers we ause are 12 and 36.





7 0
3 years ago
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