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3 years ago

10

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

t figures.

1 answer:

almond37 [142]3 years ago

8 0

4.065323 × 10^13
Hope this helps!
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Help me please it’s due

Temka [501]

Answer:

13.82 in.

Step-by-step explanation:

To find the circumference of a circle, you multiply the diameter by pi ( $\pi$ ):

$(4.4)(\pi )=13.82301$

Rounded to the nearest tenth, 13.82301 is 13.82. Therefore, 13.82 is the answer.

I hope this helps!

8 0

2 years ago

The perimeter of a square is given as 8x+20. Write two different expressions for the perimeter. Use factoring to write one of th

sveticcg [70]

Answer:

P = 4(2x + 5)

P = (2x + 5)+(2x + 5)+(2x + 5)+(2x + 5)

Step-by-step explanation:

Given that:

Perimeter of square = 4 * s

Where s = side length

If perimeter, P = 8x + 20

Then,

4s = 8x + 20

Divide both sides by 4

4s / 4 = (8x + 20) / 4

s = 2x + 5

P = 4s

P = 4(2x + 5)

Or

P = 2x + 5 in 4 places

P = (2x + 5)+(2x + 5)+(2x + 5)+(2x + 5)

8 0

2 years ago

Quotient of 1/2 ÷ 5, reduced to lowest terms

kirill [66]

Answer:

1/10

Step-by-step explanation:

1/2 x 1/5= 1/10

8 0

2 years ago

?????????????? Help

ss7ja [257]

X•X•X•X•X•X•X•X•X•X
That is the answer for your problem

8 0

3 years ago

Wich one of these numbers is an rational but not an integer -9 , 0-4.3, 3

abruzzese [7]

-4.3 is rational but it is not an integer

3 0

3 years ago