Because, when 4 multiply by 1/2 will equal 2, so 2xy=4(1/2xy)
Answer:
-2n - 12
Step-by-step explanation:
Combine like terms. Note that each term has one variable (n). Also note that one negative sign and one positive sign results in a negative sign.
-6n + (-12) + 4n = -6n + 4n - 12 = -2n - 12
-2n - 12 is your answer
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Answer:
Given:
To calculate how many electrons have the same mass as one dust particle, divide the mass of a dust particle by the mass of an electron:
Therefore, approximately 
electrons have the same mass as one dust particle.
The greatest common factor is 1
