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2 years ago

What is 400 in expanded form (Warfare you get brainliest)

2 answers:

5 0

Hey there, Lets solve your question together

Question - What is 400 in Expanded form ?

We know that expanded form is a spread out way to write a number by showing the value of each individual digit that contributes to make the full number.

Lets use an example to show expanded form

Number - 4,265

= 4 x 1,000 + 2 x 100 + 6 x 10 + 5 x 1

Now lets solve for the number 400 in expanded form.

The number "4" is in the hundreds place

The number "0" is in the tenths place

The number "0" is in the One's place

Therefore 400 in expanded form is 400+00+0.

 Hope this helps

3241004551 [841]2 years ago

3 0

Hey There,

The answer is 400+00+0

Solution-
1) 4 is in the hundreds place (400)

2) 0 is in the tens place (00)

3) 0 is in the ones place (0)

Thus, the answer is 400+00+0

Hope this helps!

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The population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year. A) Estimate how lo

VLD [36.1K]

Answer:

A) 63.36 years.

B) 100.42 years.

Step-by-step explanation:

We have been given that the population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year.

A) Since we know that population increases exponentially, therefore we will use our given information to form an exponential model for population increase and then we will solve for the time by which our population will be double.

$P(t)=7.1(1.011)^{t}$

$7.1 \times 2=7.1(1.011)^{t}$

$\frac{7.1 \times 2}{7.1} =(1.011)^{t}$

$2 =(1.011)^{t}$

Now let us solve for t using logarithm.

$ln(2) =ln (1.011)^{t}$

$ln(2) =t \cdot ln(1.011)$

$0.6931471805599453 =t \cdot 0.0109399400383344$

$t=\frac{0.6931471805599453}{0.0109399400383344}$

$t=63.3593217267282743049\approx 63.36$

Therefore, it will take 63.36 years the population to be double.

B) Now we will find the number of years it will take the population to be triple of its size.

$7.1 \times 3=7.1(1.011)^{t}$

$\frac{7.1 \times 3}{7.1} =(1.011)^{t}$

$3 =(1.011)^{t}$

Now let us solve for t using logarithm.

$ln(3) =ln (1.011)^{t}$

$ln(3) =t \cdot ln(1.011)$

$1.0986122886681097 =t \cdot 0.0109399400383344$

$t=\frac{1.0986122886681097}{0.0109399400383344}$

$t=100.4221490079915311298\approx 100.42$

Therefore, it will take 100.42 years the population to triple of its size.

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2 years ago

Find the difference between -14w - 3 and 5w.

kirza4 [7]

(-14w) - (-3) - (-5w) equals
-9w + 3

or if what you're saying is
-14w - 3 - 5w it equals
-19w - 3

or if what youre saying is
(-14w - 3) - 5w it equals
-19w - 3

8 0

3 years ago

Read 2 more answers

Here are the city gas mileages for 13 different midsized cars in 2008. 16, 15, 22, 21, 24, 19, 20, 20, 21, 27, 18, 21, 48 What i

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Answer:

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Step-by-step explanation:

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2 years ago

18 + 4(3x - 7) = -70

Elan Coil [88]

If you’re trying to find the value of x it is -5

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3 years ago

Folds - Circle Cliffs, UT. Both monoclines and anticlines uplift and deform rock layers such that when eroded, certain ages of r

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Answer:the relative ages of the rocks exposed in the circle cliff area are given below.

1. older rocks are exposed in the center and younger rocks in the flanking flatirons.

2. younger rocks are exposed in the center and older rocks in the flanking flatirons.

Step-by-step explanation: this is because whenever older rocks are exposed in circle cliffs, exposure occur at the center while younger rocks will be exposed in the flanking flatirons at this time.

2. But when younger rocks are exposed in contrast to the older rocks, these younger rocks are exposed at the center while the older ones receive exposure at the flanking flatirons.

Note that both cases interchange, exposure of a particular rock occur at the center and the next category of rock receive theirs at flanking flatirons.

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2 years ago