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Rina8888 [55]
2 years ago
15

can someone give me a good explanation of scientific notation. simple but smart. i’m in algebra 1 honors

Mathematics
1 answer:
Kaylis [27]2 years ago
3 0

Answer:

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It may be referred to as scientific form or standard index form, or standard form in the UK.

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10.8 kilograms

Step-by-step explanation:

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3 years ago
Finding the area of a regular polygon​
ddd [48]
<h2><u>Solu</u><u>tion</u><u>:</u></h2>

360° ÷ 10 ÷ 2 = 18°

So the length of the decagon side is:

10 × tan18° × 2 = 20 × tan18°

The area is: ½ × 20 × tan18° × 10 × 10 = 1000 × tan18°

≈ 324.9

.: <u>3</u><u>2</u><u>4</u><u>.</u><u>9</u> is the final answer.

<em>I</em><em> </em><em>h</em><em>ope</em><em> </em><em>this</em><em> helps</em><em>. </em>

5 0
1 year ago
Give the equation of the circle centered at the origin and passing through the point (0,5)
Julli [10]

Answer:

x^{2} +y^{2}=25

Step-by-step explanation

The standard equation of a circle centered at origin is  x^{2} +y^{2} =r^{2}

r = radius of the circle

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∴ radius  r=\sqrt{(0-0)^{2}+(5-0)^{2} }

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∴ The equation of the circle is

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5 0
2 years ago
One number is 14 more than another. the sum of two numbers is 20. find the numbers.
patriot [66]

The number is 6 because 14+6=20 and 6 is less than 14. Hope this helps.

4 0
3 years ago
3x+y=5 , 2x-2y=22 solve the system of equations by the addition method
IgorLugansk [536]

<span><em />
3x+y=5</span>

<span /><span>2x-2y=22 ...............2(x-y)=22 ⇒ x-y=11</span><span><em /></span>

<span><em>3x+y=5</em></span>

<span /><span><em><u>x-y=11                   </u> </em>(+)</span>

<span />3x+x+y-y=11+5

<span>4x=16  /:4</span>

<span /><em>x=4</em>

x-y=11

4-y=11

-y=7 /*(-1)

<em>y=-7</em>


<span><em></em></span>

5 0
3 years ago
Read 2 more answers
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