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2 years ago

I forgot to bring pen and paper lol If u click there will be pic ;)

Mathematics

2 answers:

11Alexandr11 [23.1K]2 years ago

8 0

Answer:

99,117. 18,492 + 80,625 = 99,117

creativ13 [48]2 years ago

6 0

Answer:

99,117

Step-by-step explanation:

1) Use the partial sum method.

1 8 4 9 2

+ 8 0 6 2 5

9 0 0 0 0 (10000+80000)

8 0 0 0 (8000+0)

1 0 0 0 (400+600)

1 1 0 (90+20)

7 (2+5)

----------------------------------

9 9 1 1 7

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If you flip a fair coin 444 times, what is the probability that you will get exactly 222 tails?

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

The average density of the material in intergalactic space is approximately 2.5 × 10–27 kg/m3. what is the volume of a lead samp

Lesechka [4]

Answer:

e. $1.8\times 10^{-6}m^3$

Step-by-step explanation:

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The density of intergalactic space material is $2.5 \times 10^{-27}$ kg per cubic meter.

And the volume of intergalactic space material is $8.0\times 10^{24} m^3$

So the mass of that much intergalactic space material is,

$m= \rho\times v$ , where 'm' is the mass, and 'v' is the volume.

Putting the values we get,

$m=2.5 \times 10^{-27}\times 8.0 \times 10^{24}$

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So the volume of lead is,

$v=\frac{m}{\rho} =\frac{2 \times 10^{-2}}{11300} = 0.00000177 m^3$

$v=1.77 \times 10^{-6}=1.8\times 10^{-6}m^3$

So the volume of lead is $v=1.8\times 10^{-6}m^3$ .

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3 years ago