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3 years ago

Check all of the values that have three significant figures.

Mathematics

1 answer:

Orlov [11]3 years ago

5 0

I think its C and D

for C its the 1, 0 and 4

and for D its the second 0, 7 and 6.

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Earth's radius is approximately 6400 km. What is the surface area & volume of the earth?

Tamiku [17]

Answer:

$SA=514,457,600\ km^{2}$

$V=1,097,509,546,667\ km^{3}$

Step-by-step explanation:

step 1

Find the surface area

we know that

the surface area of a sphere is equal to

$SA=4\pi r^{2}$

substitute

$SA=4 \pi (6,400)^{2}$

$SA=163,840,000 \pi\ km^{2}$

substitute the approximate value of pi (3.14)

$SA=(3.14) (163,840,000)$

$SA=514,457,600\ km^{2}$

step 2

Find the volume

The volume is equal to

$V=(4/3)\pi r^{3}$

substitute

$V=(4/3)(3.14) (6,400)^{3}$

$V=1,097,509,546,667\ km^{3}$

8 0

3 years ago

Read 2 more answers

What whole number is excluded from 0

Zanzabum

Answer:

first whole no.

Step-by-step explanation:

hope this helps

6 0

2 years ago

Read 2 more answers

A literal equation has only one variable. True False

Zanzabum

Answer:False

Step-by-step explanation:

5 0

3 years ago

Select all of the following statements that are true.

-Dominant- [34]

Answer:

3. Correlation coefficients can be represented by the variable r

Step-by-step explanation:

Correlation coefficients show if there is a strong or weak positive or negative relationship, or if there is no relationship between the variables.

Correlation coefficients are negative when the relationship is inversely proportional and positive when the relationship is proportional.

Correlation coefficients can be any value less than or equal to 1 or greater than or equal to -1.

7 0

2 years ago

When the Spanish arrived in the Aztec capital of Tenochtitlan, what were they impressed with?

Irina18 [472]

The architecture and design of the city was what they were impressed by. They said it may have been better than most European cities.

3 0

3 years ago