The correct answer is- Proton
A proton is approximately 2,000 times heavier than an electron. In most cases, atoms have an equal number of protons and electrons. However, because protons are so much heavier than electrons, the electrons do not make a significant contribution to the mass of an atom.
Answer:
Multiply 4 by 16
Explanation:
Given

Required
Select the method that maintains her rate for 16 pages
To get the method for 16 pages, we simply multiply 4 by 16. This is shown below

Calculate the unit rate


For 16 pages, it is:

<em></em>
<em> -- Here, we multiply 4 by 16</em>



<em>See that the unit rates remain the same.</em>
Other options will give different rates
Math tools can make you answer more accurate in an estimation. It is also easier to detect if there is inaccurate data. For example, measuring liquid substances. It makes your answer seem more organized and accurate.
I do not know
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B
It will give more info because it know what it will say