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Alexxx [7]
3 years ago
8

Can anyone help me on my homework I really need help like so bad

Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0
What is your homework ?
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A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5 x 105meters by 4 x104 meter
gizmo_the_mogwai [7]

Answer: A=2*10^{10}m^2

Step-by-step explanation:

The area of a rectangle can be calculated with this formula:

A=lw

Where "l" is the lenght and "w" is the width.

You know that the dimensions of this rectangle are 5*10⁵meters and 4*10⁴ meters, then you need to multiply them to get the area:

A=(5*10^5m)(4*10^4m)

Since 10⁵ and 10⁴ have equal base, you must add the exponents:

A=20*10^{(5+4)}m^2

A=20*10^9m^2

Scientific notation has the form:

a*10^n

Where "a" is any number between 1 and 10 but less than 10, and "n" is an integer.

Since 20 is greater than 10, you must move the decimal point to the left:

A=2.0*10^{10}m^2

Rewriting the result, you get:

A=2*10^{10}m^2

5 0
3 years ago
HELP PLEASEEE :) TY TYYYYY
Dennis_Churaev [7]

Answer:

A = 8, B = 6, C = 4 , D = 7

Top = 29

Side = 20

Step-by-step explanation:

Last row : A + A + A + A = 32 ==> A = 8

First row : D + A + D + D = 3D + 8 = 29

                                          3D = 21 ==> D = 7

Second row : B + D + A + B = 27 ==> 2B + 7 + 8 = 27

                                                          2B = 12 ==> B = 6

Third column : D + A + C + A = 27

                      7 + 8 + C + 8  = 27 ==> C = 4

                               

7 0
3 years ago
Read 2 more answers
How do I color 3.25 divided by 5?
oksano4ka [1.4K]

Answer:

See attached.

Step-by-step explanation:

Okay, I made 3.25 red and 5 blue.

Each column/row is .25 or 1/4.

Hope this helps.

8 0
3 years ago
What is a intersection
Archy [21]

Answer:

Intersection means a line common to other lines and an action of intersection/intersecting.

hope it helps!

7 0
4 years ago
What is the area of a rectangle with vertices at ​ (−4, 0) ​, ​ (−3, 1) ​ , (0, −2) , and (−1, −3) ?
Varvara68 [4.7K]

(4,0)( -3,1)


1-0. 1+0=0

-3-4 -3+4=7

Y=7

7 0
4 years ago
Read 2 more answers
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