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elena55 [62]
3 years ago
9

Mercury has an atomic number of 80. How many electrons are there in an isotope of mercury-204?

Mathematics
2 answers:
marta [7]3 years ago
4 0

80 electrons

***********************************************************************


wlad13 [49]3 years ago
3 0

Answer:

i think the answer is 80 electrons

Step-by-step explanation:

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Simplify (Remember to simplify means to write an equivalent expression that uses each variable on')
DaniilM [7]

Answer:

A) x^{3} y^{4}

B) -\frac{5x^{2} }{y}

C) 9m^{4}n^{4}

D)\frac{1}{x^{3} }

Step-by-step explanation:

Hope this helps.

6 0
2 years ago
Kim purchased a $65.00 dress for 20% off. How much did she save?
Ainat [17]
The best thing to do here is to find ten percent, and then double it.
To do this, you divide the number you have by 10.
65.00/10= 6.50
Therefore, you've now got to multiply this by 2.
6.5*2= 13
Therefore, Kim saved $13 on the price of the dress.
Hope this helps :) 
6 0
3 years ago
Simplify 50/110 please help me I don’t know
kramer

Answer: 50/110 simplified is 5/11

Step-by-step explanation:

50/110

50/10=5

110/10=11

5/110=5/11

6 0
2 years ago
Read 2 more answers
All the boxes in a certain warehouse were arranged in stacks of 12 boxes each, with no boxes left over. After 60 additional boxe
AveGali [126]

Answer:

(1) There were fewer than 110 boxes in the warehouse before the 60 additional boxes arrived. (2) There were fewer than 120 boxes in the warehouse after the 60 additional boxes arrived.

Step-by-step explanation:

Given that all the boxes in a certain warehouse were arranged in stacks of 12 boxes each, with no boxes left over.

This implies that boxes are in multiples of 12

i.e. 12, or 24, or 36 or....

Let us say this as 12m for m an integer

Now additional boxes arrived =60

Total number of boxes now = 12m+60

This when arranged in stacks of 14,nothing left out

Or this is multiple of 14

12m+60 = 14n for some positive integer n.

By trial and error we find that if 60 is to be divided by 14, 24 should be added and 24 is a multiple of 12.

So we say originally 24 boxes were there now 84 boxes there.

Hence both options are right.

(1) There were fewer than 110 boxes in the warehouse before the 60 additional boxes arrived. (2) There were fewer than 120 boxes in the warehouse after the 60 additional boxes arrived.

3 0
3 years ago
The standard deviation for a set of data is 6.5. The mean is 255. What is the Margin of Error?​
HACTEHA [7]

Answer: The margin of error is 12.74.

Step-by-step explanation:

Since we have given that

Standard deviation = 6.5

Mean = 255

Let 95% level of significance,

So, z value = 1.96

We need to find the "Margin of error":

So, it becomes :

Margin of error = Standard deviation × z-value

Margin of error = 6.5\times 1.96=12.74

Hence, the margin of error is 12.74.

3 0
3 years ago
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