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3 years ago

How do you write 32,005,008 in expanded form

Mathematics

2 answers:

steposvetlana [31]3 years ago

7 0

32,005,008 = 30,000,000 + 2,000,000 + 5,000 + 8

Karolina [17]3 years ago

3 0

To write 32,005,008 in expanded form, you write it out like this: 32,005,008 = 30,000,000 + 2,000,000 + 5,000 + 8.

I know this because I learned it in 3rd grade at school.

Hope I helped!

- Debbie

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A right rectangular prism has edges of 2 1/4 in, 1 1/2 in and 1 1/2 in. How many cubes with lengths of 1/4 in would be needed to

Zielflug [23.3K]

The volume of a rectangular prism is (length) x (width) x (height).

The volume of the big one is (2.25) x (1.5) x (1.5) = 5.0625 cubic inches.

The volume of the little one is (0.25)x(0.25)x(0.25)= 0.015625 cubic inch

The number of little ones needed to fill the big one is

 (Volume of the big one) divided by (volume of the little one) .

 5.0625 / 0.015625 = 324 tiny cubies

=================================================

Doing it with fractions instead of decimals:

The volume of a rectangular prism is (length) x (width) x (height).
Dimensions of the big one are:

 2-1/4 = 9/4
 1-1/2 = 3/2
 1-1/2 = 3/2

 Volume = (9/4) x (3/2) x (3/2) =

 (9 x 3 x 3) / (4 x 2 x 2) =

 81 / 16 cubic inches.

As a mixed number: 81/16 = 5-1/16 cubic inches

Volume of the tiny cubie = (1/4) x (1/4) x (1/4) = 1/64 cubic inch.

The number of little ones needed to fill the big one is

 (Volume of the big one) divided by (volume of the little one) .

 (81/16) divided by (1/64) =

 (81/16) times (64/1) =

 5,184/16 = 324 tiny cubies.

5 0

3 years ago

A number cube has a volume of 27 mm3. What is the length of one edge of the cube

disa [49]

If the volume of a cube is 27 it means that one edge is equal to the cube root of 27
3*3*3=27
Edge=3

I hope it was helpful

8 0

3 years ago

A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally distributed with σ = 31.62

AysviL [449]

Answer:

A sample size of at least 737 specimens is required.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.005 = 0.995$ , so $z = 2.575$

Now, find the width M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

$M = 3, \sigma = 31.62$

So:

$M = z*\frac{\sigma}{\sqrt{n}}$

$3 = 2.575*\frac{31.62}{\sqrt{n}}$

$3\sqrt{n} = 81.4215$

$\sqrt{n} = 27.1405$

$n = 736.60$

A sample size of at least 737 specimens is required.

6 0

3 years ago

*33 points* Can someone help me with this project please?? Thank you

Lena [83]

Answer:

part 3: add how ever many years that much money

Part 4:

Step-by-step explanation:

part 3:for instance 0years = 1,000$ to 5years so it equals 6,000$ and so on if you dont get it ask me

and its the same calculation each time

Part4: write about how much money you earned and if you can retire with that in the first box, and in the second, write about how you will most likely earn the money

HOPE THIS HELPED I REALLY DO, MARK BRAINLIEST PLZ I NEED IT

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2 years ago

What is the value of largest integers x such that 112/2^x is an integer.

Gennadij [26K]

Answer:

x = 4

Step-by-step explanation:

16 × 7 = 112

2^4 = 16

so that is the answer

6 0

2 years ago