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adelina 88 [10]
3 years ago
15

0.0084 scientific notation

Mathematics
2 answers:
kogti [31]3 years ago
7 0

Answer:

8.4*10^-3

Step-by-step explanation:

Move the decimal point 3 places in order to get a number in the one's place.

JulsSmile [24]3 years ago
3 0
The answer would be 8.4x10^-3
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An 8-sided die is formed when two square pyramids are attached by their bases. The perimeter of the base shape is 6 centimeters.
lawyer [7]

Answer:

7.5cm²

Complete question:What is the surface area of the 8-sided figure?

Step-by-step explanation:

Consider the half of the 8-sided die i.e the pyramid ABCDE:

As the base is 6 of the perimeter, so each side of the base is 6/4=3/2

Now, the distance between the tallest points is 2 cm, so the height of Pyramid ABCDE is 1 cm.

Considering the right triangle EOM:

EO=1, OM= 3/4 (it is half of AB=3/2) and EM is the hypothenuse, so by the pythagorean theorem length of EM is 

\sqrt{1+ ( \frac{3}{4} )^{2} }=  \sqrt{1+ \frac{9}{16} }= \sqrt{ \frac{25}{16} }= \frac{5}{4}   (cm)

5. So side EBC has area  

\frac{1}{2}BC*EM=  \frac{1}{2}* \frac{3}{2}* \frac{5}{4}= \frac{15}{16}

6. The total area is 8*Area(EBC)=8* \frac{15}{16}= \frac{15}{2}=7.5 ( cm^{2} )

3 0
3 years ago
Estimate the sum 5.89 7 1/12​
Agata [3.3K]

Answer:

13

Step-by-step explanation:

Estimate 5.89 to 6.

5.89 ≈ 6

Estinate 7 1/12 to 7.

7.083 ≈ 7

Estimate the sum.

7 + 6 = 13

3 0
4 years ago
Read 2 more answers
I think i found the right one but I let her go thru my things but she wont lemme go thru her stuff what does that mean :( I want
Naily [24]

Answer:

she is ether hiding something. or she just wants you to respect her privacy and she is trying to see how much you trust her so she can figure out how much she can trust you. i say you should just tell her you don't care what she does to just do what she would want and then let her actions decide whether she realy cares abought or respects yall's relationship. maby put it in kinder words than  did tho or you might just pi22 her off

Step-by-step explanation:

the 22 is ss i just dont want to get banned

8 0
3 years ago
Read 2 more answers
A survey of 46 college athletes found that 24 played volleyball, while 22 played basketball. a) If we pick one athlete survey pa
PSYCHO15rus [73]

Answer:

A) \dfrac{11}{23}

B) \dfrac{88}{345}

Step-by-step explanation:

A survey of 46 college athletes found that

  • 24 played volleyball,
  • 22 played basketball.

A) If we pick one athlete survey participant at random,  the probability they play basketball is

P_1=\dfrac{22}{46}=\dfrac{11}{23}

B) If we pick 2 athletes at random (without replacement),

  • the probability we get one volleyball player is \dfrac{24}{46}=\dfrac{12}{23};
  • the probability we get another basketball player is \dfrac{22}{45} (only 45 athletes left).

Thus, the probability we get one volleyball player and one basketball player is

P_2=\dfrac{12}{23}\cdot \dfrac{22}{45}=\dfrac{88}{345}

5 0
4 years ago
What is the simplified expression for 4 power 4 multiplied by 4 power 3 over 4 power 5
MaRussiya [10]
4^4 * 4^3
------------
    4^5

= 4^7 / 4^5

= 4^(7-5)

= 4^2   =  16   Answer
5 0
4 years ago
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