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Dvinal [7]
3 years ago
13

Can someone turn 2,186.4 into a scientific notation?

Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0

Answer:

2.1864 \times  {10}^{3}

navik [9.2K]3 years ago
5 0

Answer: 2.1864 × 10 (to the third)

Step-by-step explanation:

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LCD of 11/12 and 7/60
goldfiish [28.3K]
LCD is 12.
12 goes into 12 once. 12x1=12
12 goes into 60 five times. 12x5=60
8 0
3 years ago
Read 2 more answers
In ΔBCD, the measure of ∠D=90°, the measure of ∠B=75°, and DB = 93 feet. Find the length of BC to the nearest tenth of a foot.
lara31 [8.8K]

Answer:

89.8 feet

Step-by-step explanation:

In ΔBCD, the measure of ∠D=90°, the measure of ∠B=75°, and DB = 93 feet. Find the length of BC to the nearest tenth of a foot.

We would solve the above question using Sine rule

The formula is given as:

DB/sin D = BC/sin B

93/sin 90 = BC/sin 75

We cross multiply

sin 90 × BC = 93 × sin 75

BC = 93 × sin 75/sin 90

BC = 89.83 feet

Approximately BC = 89.8 feet

8 0
3 years ago
A leaking pond looses 18 gallons of water in 34 hours , how many gallons will be left after 41 hours
Ann [662]

The amount of water left = 21.3 gallons.

We have a leaking pond which looses 18 gallons of water in 34 hour.

We have to determine how many gallons of water will be left after 41 hours.

<h3>What do you understand by gallon?</h3>

The gallon is a unit of volume in imperial units and United States customary units.

I gallon = 231 cubic inches = 3.785411784 liters.

According to question, we have -

Amount of water lost by the pond in 34 hours = 18 gallons

Therefore -

Amount of water lost by the pond in 1 hour = \frac{18}{34}

So, the amount of water loosed by the pond in 41 hours = \frac{18}{34}\times 41  = 21.3

Hence, the amount of water left = 21.3 gallons.

To solve more questions on Quantity Measurements , visit the link below-

brainly.com/question/1153577

#SPJ1

3 0
2 years ago
Triangle A B C is shown. Angle A B C is a right angle. An altitude is drawn from point B to point D on side A C to form a right
Anika [276]

Answer:

C. - X = 5 units

Step-by-step explanation:

We need to solve for x from the given figure.

In ΔADB and ΔCDB

 ∠ABD=∠BCD         (Corresponding angle of two right triangle)

 ∠ADB=∠CDB         (Each 90°)

∴  ΔADB ≈ ΔCDB  By AA similarity

If two triangles are similar then ratio of their corresponding height are same.

Substitute the value of side into the expression

Cross multiply and solve for x

x can't be negative because side of triangle is positive.

Hence, The value of x is 5 units.

3 0
4 years ago
The sides of a square aretwo to the power of four ninths inches long. What is the area of the square?
sergeinik [125]
Since the <span>sides of a square aretwo to the power of four ninths inches long.
</span>
Therefore, it can be written as :

The side of the square = 2^{ \frac{4}{9} }

Now, area of square = (side)*(side) = side^{2} 

Area, A = (2^{ \frac{4}{9} } )^{2}

or A = (2^{ \frac{4}{9} } ) * (2^{ \frac{4}{9} } ) = (2)^{ \frac{4}{9} +\frac{4}{9} } =  (2)^{ \frac{8}{9}
5 0
3 years ago
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