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3 years ago

Write the number 0.00004 in scientific notation.

Mathematics

2 answers:

Vlad [161]3 years ago

7 0

Answer:

4.0 x 10^-5

Step-by-step explanation:

melomori [17]3 years ago

6 0

Answer:

4*10^-5

Step-by-step explanation:

Start by counting the zeros to the right of the decimal if 0<x<1. Stop when you hit a digit between 1 and 9
Add 1 to the number of zeros
This is the power
Express the number as one between 1 and 9
The power is changed to a negative, if 0<x<1

0.00004 has 4 zeros. Add 1 = 5

The power on 10 becomes negative (-5)

4 is a number between 1 and 9 inclusive.

4 * 10^-5

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The figure is made from squares of different sizes.Find the area of A if the side of each of the two indentical smallest square

Temka [501]

Answer:

The area of square A is 256 cm²

Step-by-step explanation:

The four sides of a square are equal in length
Area of a square = side × side

In the given figure

∵ The sides of the square E = 2 cm each

∵ The sides of the square F = 2 cm each

∵ The side of square D is the sum of the sides of squares E and F

∴ The sides of the square D = 2 + 2 = 4 cm each

∵ The side of square C is the sum of the sides of squares E and D

∴ The sides of square C = 2 + 4 = 6 cm each

∵ The side of square B is the sum of the sides of squares C, E, and F

∴ The sides of square B = 6 + 2 + 2= 10 cm each

∵ The side of square A is the sum of the sides of squares B, F, and D

∴ The sides of square A = 10 + 2 + 4= 16 cm each

∵ Area of square A = side × side

∴ Area of square A = 16 × 16

∴ Area of square A = 256 cm²

∴ The area of square A is 256 cm²

3 0

2 years ago

Determine whether the graph can represent a normal curve. If it cannot, explain why.

FromTheMoon [43]

Answer:

The answer would be C

Step-by-step explanation:

The answer would be C because It is the most resnible and becaue I took that not to long ago.

Hope this helps

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7 0

3 years ago

1. Five friends share the cost of a dinner equally.

Nimfa-mama [501]

Hey there!

1a. Let c=cost of dinner, 5=the # of people, and P=the cost of person
P=C/5
b. P = (1000)/5 
P = 200

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3 years ago

Determine the sum of: −10y2+(−3y2)−4y2−(−6y2) the 2 are squared

Bas_tet [7]

-10y^2 + (-3y^2) - 4y^2 - (-6y^2) =
-10y^2 - 3y^2 - 4y^2 + 6y^2 =
-17y^2 + 6y^2 =
- 11y^2

4 0

3 years ago

A semicircle is inscribed in an isosceles triangle with base 16 and height 15 so that the

ira [324]

Answer:

7 1/17

Step-by-step explanation:

A figure can be helpful.

The inscribed semicircle has its center at the midpoint of th base. It is tangent to the side of the isosceles triangle, so a radius makes a 90° angle there.

The long side of the isosceles triangle can be found from the Pythagorean theorem to be ...

BC² = BD² +CD²

BC² = 8² +15² = 289

BC = √289 = 17

The radius mentioned (DE) creates right triangles that are similar to ∆BCD. In particular, we have ...

(long side)/(hypotenuse) = DE/BD = CD/BC

DE = BD·CD/BC = 8·15/17

DE = 7 1/17 ≈ 7.059

8 0

2 years ago