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wel
3 years ago
15

Can someone please help me answer these questions in scientific notation?)

Mathematics
1 answer:
Tanya [424]3 years ago
3 0
1. 0.00262 or 131/50000
2. 0.436 or 109/250
3. 0.00773 or 773/100000
4. 0.0565 or 113/2000
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Please help me idk this
Ronch [10]
The answer is 0.746 because thousands is the third number after the decimal point and you are rounding up because 7 is greater than 5
3 0
3 years ago
Por una falda que costaba 50 € Adela apagado en las rebajas 45 ¿Qué tanto por ciento de rebaja tenía la falda
Sliva [168]

Answer:

El porcentaje de descuento fue del 10%.

Step-by-step explanation:

Para encontrar el porcentaje de descuento, puedes calcular la variación entre los dos precios ya que este será el porcentaje aplicado. Para hacerlo debes calcular la diferencia entre los dos precios restando el precio final menos el precio original y luego, debes dividir este resultado entre el precio original y multiplicar por 100:

Precio original=50

Precio final=45

((45-50)/50)*100

(-5/50)*100=-0.1*100=-10%

De acuerdo a esto, la respuesta es que el porcentaje de descuento fue del 10%.

3 0
3 years ago
SIS<br> 2log(x + 86) = 4<br> EE<br> S<br> -
mina [271]

Answer:I think your Answer would be x=14 but I am not sure.

Step-by-step explanation:

2log 10 (x+86)=4

Determine the defined

2log 10 (x+86)=4,x >-86

Divide both sides by 2

log 10 (x+86)=2

Solve by converting the logarithm into exponential form

x+86=10 2

Evaluate the power

x+86=100

Move constant to the right

x=100-86

Subtract the numbers

x=14,x>-86

Check if the solution is in the defined range

SOLUTION

X=14

4 0
3 years ago
Darnell rented a moving truck the weight of the empty truck was 7860 pounds when Darnell fill the truck with his items it weighe
Diano4ka-milaya [45]
A ton weighs 2000 pounds, so if you were to take 6 tons, it will be 12000 pounds. 
4 0
3 years ago
Two trains leave Stations 396 miles apart at the same time and travel towards each other. One train travels at 95 mph while othe
PolarNik [594]

It will take 2.2 hours for the trains to meet.

Step-by-step explanation:

Given,

Distance between two trains = 396 miles

Speed of one train = 95 mph

Speed of other train = 85 mph

Combined speed of trains = 95+85 = 180 mph

Distance = Speed * Time

Time = \frac{Distance}{Speed}

Time = \frac{396}{180}

Time = 2.2 hours

It will take 2.2 hours for the trains to meet.

Keywords: speed, distance

Learn more about distance at:

  • brainly.com/question/13219835
  • brainly.com/question/1836777

#LearnwithBrainly

8 0
4 years ago
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