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Georgia [21]
2 years ago
8

(2.8•10^8)(1.9•10^4)

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
5 0

Answer: 5.32 × 10^12

Step-by-step explanation:

This is a question relating to indices. In indices, we add the power given for question relating to multiplication. Hence, this will be:

= (2.8•10^8)(1.9•10^4)

= (2.8 × 1.9) × 10^8+4

= 5.32 × 10^12

Therefore, the answer to the question will be 5.32 × 10^12.

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Solve for x and y. *
bogdanovich [222]

Answer:

beeebooobeeeeeboooooobeeeeebooooooo

Step-by-step explanation:

option a

4 0
2 years ago
Suppose that a cylinder has a radius of r units, and that the height of the cylinder is also r units. The lateral area of the cy
horrorfan [7]

Answer:

r = 7.33 units

Step-by-step explanation:

Given that,

A cylinder has a radius of r units, and that the height of the cylinder is also r units.

The lateral area of the cylinder is 338 square units.

We need to find the value of r.

The formula for the lateral area of the cylinder is given by :

A=2\pi rh

Put all the values,

2\pi r^2=338\\\\r=\sqrt{\dfrac{338}{2\pi}} \\\\r=7.33\ unit

So, the value of r is equal to 7.33 units.

6 0
2 years ago
A city has a population of 210,000 people. Suppose that each year the population grows by 3.25% . What will the population be af
serg [7]

Answer: the population be after 10 years is 289145

Step-by-step explanation:

The growth rate is exponential. We would apply the formula for exponential growth which is expressed as

y = b(1 + r)^t

Where

y represents the population after t years.

t represents the number of years.

b represents the initial population.

r represents rate of growth.

From the information given,

b = 210000

r = 3.25% = 3.25/100 = 0.0325

t = 10 years

Therefore,

y = 210000(1 + 0.0325)^10

y = 210000(1.0325)^10

y = 289145

5 0
3 years ago
54.85 rounded to the nearest 1/10th percent
Iteru [2.4K]

Answer:

54.9

Step-by-step explanation:

You always round up if its 0.5 or anything .5

54.58 broken down:

The 5 is the Tens place

The 4 is the Ones place

The 8 is the Tenth place (what the question is asking for)

The 5 is the Hundredths place.

:)  Hope this helps! Please mark brainliest! :)

8 0
2 years ago
Find the indicated function value for csc -450°
Mekhanik [1.2K]

Step-by-step explanation:

\csc( - 450 \degree) \\  \\  =  -  \csc450 \degree \\  \\  =  -  \csc(360 \degree + 90\degree) \\  \\  = -  \csc( 90\degree) \\  \\  =  - 1

4 0
3 years ago
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