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natulia [17]
3 years ago
13

Which of the following would not have a positive exponent when written in scientific notation HELP PLEASE!!!!

Mathematics
1 answer:
Contact [7]3 years ago
3 0

Answer:B

Because when 0.0023 is written in scientific notation the answer is 2.3×10-³ which a negative sign

Step-by-step explanation:

5,600,000

5,600,000÷10

560,000

560,000÷10

56,000

56,000÷10

5,600

5600÷10

560

560÷10

56

56÷10

5.6

5.6×10⁶

23÷10

2.3

2.3×10¹

560÷10

56

56÷10

5.6

5.6×10²

0.0023

0.0023×10

0.023

0.023×10

0.23

0.23×10

2.3

2.3×10-³

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Triangles ABC and EDC are outlined on a bridge. The triangles share vertex C and angles D and B are right angles. A new bridge s
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CHECK THE ATTACHED FIQURE FOR THE BRIDGE

Answer:

60 ft

Step-by-step explanation:

From the question we know that triangles ABC and EDC are in a 1:1 with this given ratio it implies that

triangles ABC and EDC are congruent then we can say

side EC = side AC

3x + 9 = 5x - 5

Then we can simplify to know value of x

3x + 14= 5x

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x = 7

But we know that AC= 5x - 5 , then substitute value of x into it

AC = 5x + 5 = 5(7) - 5

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Also EC= 3x + 9 then substitute value of x into it

EC = 3x + 9 = 3(7) + 9

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Then the the distance between the top and bottom of the bridge, in feet, = EC+AC

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4 0
3 years ago
How many natural numbers are between 45 and 58?
Eddi Din [679]

Answer:

12

Step-by-step explanation:

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The length of a rectangle is 5 centimeters less than twice it’s width. The perimeter of the rectangle is 80 cm. What are the dim
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<h3><u>The length is equal to 25.</u></h3><h3><u>The width is equal to 15.</u></h3>

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2(2w - 5) + 2w = 80

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Combine like terms.

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Add 10 to both sides.

6w = 90

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Step-by-step explanation:

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