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Norma-Jean [14]
3 years ago
13

Scientific notation 20,000+3,400,000= an example to would be helpful

Mathematics
2 answers:
Marat540 [252]3 years ago
7 0
Scientific notation means representing something as a number on (0,10) exclusive, with a power of ten.
Example: 47,573,018 would be 4.7573018 x10^7
Your numbers 20,000 and 3,400,000 can be represented as 2x10^4 and 3.4x10^6
You can bring these together by changing them so they have the same power of ten, rounding down.
=> 2x10^4 + 340x10^4 => 342x10^4 => 3.42x10^6
Final answer:
20,000+3,400,000=3.42x10^6
Hope I helped :)
Viefleur [7K]3 years ago
4 0
20 000 is as much as 20 * 1 000, so we can write it as: 20 * 10^3
3 400 000 is as much as 34 * 100 000, so we can write it as: 34 * 10^5

The sum in scientific notation would look like this:

20 * 10^3 + 34 * 10^5

I hope that's what you meant :)
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Step-by-step explanation:

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Paul has $30,000 to invest. His intent is to earn 15% interest on his investment. He can invest part of his money at 8% interest
jeka94

Answer:

Amount invested at 8% is $9000 and amount invested at 18% is $21000.

Step-by-step explanation:

Let amount invested at 8% be x.

Let amount invested at 18% be y.

We get the 1st equation as:

x+y=30000       ........(1)

We get the second equation as:

0.08x+0.18(y)=0.15\times30000

=> 0.08x+0.18y=4500

or getting rid of the decimal by multiplying by 100 on both sides.

8x+18y=450000          ........(2)

Multiplying (1) by 8 and subtracting from (2) we get

10y=210000  

So, y = 21000

And x+21000=30000

x = 30000-21000

So, x = 9000

Therefore, amount invested at 8% is $9000 and amount invested at 18% is $21000.

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Gary used candle molds, as shown, to make candles that were perfect cylinders and spheres:What is the approximate difference in
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The correct answer is 16.7

Hope this helped :)
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