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Arada [10]
4 years ago
10

The star Alpha Centauri is approximately 40653230000000 kilometres from earth,write this number in standard form to 3 significan

t figures.
Mathematics
1 answer:
almond37 [142]4 years ago
8 0
4.065323 × 10^13
Hope this helps!
Vote me Brainliest!
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Simplify the number into simplest radical form. Use the factor tree to help determine the factors. StartRoot 96 Endroot StartRoo
adell [148]

Answer:

[tex]4608\sqrt{3}[/tex]

Step-by-step explanation:

1. \sqrt{96} *\sqrt{6}* 2*\sqrt{6}*4 *\sqrt{6} *4*\sqrt{3}

2. \sqrt{2^{5} *3} \sqrt{6} *2\sqrt{6}*4\sqrt{6}*4\sqrt{3}   <em>factoring 96</em>

<em>since \sqrt{2^{5}*3 } = \sqrt{2^{5} } \sqrt{3}</em>

3. \sqrt{2^{5} } \sqrt{3}\sqrt{6} *2\sqrt{6}*4\sqrt{6}*4\sqrt{3}

<em>using exponent rule - (a^{b}) ^{c} = a^{bc}</em>

<em> \sqrt{2^{5} } = 2^{5/2}</em>

4. 2^{5/2}\sqrt{3}\sqrt{2*3} *2\sqrt{6}*4\sqrt{6}*4\sqrt{3}

<em>doing some simple simplification and 4=2^{2}  and 6=2*3</em>

5. 2^{5/2} \sqrt{3} \sqrt{2} \sqrt{3} *2\sqrt{2} \sqrt{3} *2^{2}\sqrt{2} \sqrt{3}*4\sqrt{3}

<em>collecting the roots on one side and applying exponent rule</em>

6. \sqrt{3} \sqrt{3}\sqrt{3} \sqrt{3}\sqrt{2} \sqrt{2}\sqrt{2} *2^{5/2+1+2+2} \sqrt{3}

<em>Applying exponents rule on all \sqrt{3} and \sqrt{2}</em>

<em>7. 2^{1/2+1/2+1/2} *2^{5/2+1+2+2}*3^{1/2+1/2+1/2+1/2+1/2}</em>

<em>combining all powers of 2</em>

8. 2^{1/2+1/2+1/2+5/2+1+2+2}*3^{1/2+1/2+1/2+1/2+1/2}

<em>Simplifying</em>

9. 2^{9} *3^{2}\sqrt{3}

10. 512*9\sqrt{3}

11. 4608\sqrt{3}

8 0
3 years ago
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Productive use of machinery on a farm made it possible to decrease the number of tractors by 12 how many tractors does the farm
irina1246 [14]
So first off, the answer to this is 24 now think of x as the  real or original sum or amount, also y as the new sum or amount.
y * 1.5 is x, and y+12 is x. Now flip that to figure out what is y, also which is what we need, and you have x/1.5 = y as well as x-12 = y. Use the equal values method and make an equation x/1.5=x-12. solve this equation to get x, which is 36. to figure out the new amount, y, you need to minus 12, which can help you get the answer which is 24.
5 0
3 years ago
I GIVE YOU BRAINLIEST IF YOU HELP ME WITH THIS. Please guys I beg. I'm the dumbest person on earth.
MrRissso [65]

Answer:

You didn't even post the question how are we supposed to help you

Step-by-step explanation:

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3 years ago
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Tại 1 khu dân cư. Tỉ lệ gia đình sở hữu nhà là 70%, sở hữu xe là 45%, cả nhà và xe là 30%. Tính xác suất chọn một gia đình được
boyakko [2]

Answer:

english please

Step-by-step explanation:

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3 years ago
What is the equation of this line a.y=-4x b.y=-1/4x c. y=1/4x d.y=4x​
Alik [6]

Answer:

- 1/4 x

Step-by-step explanation:

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