Answer:
answer is D
Step-by-step explanation:
12+1/2=12.5 12+2/5=12.4
Answer:
The way to calculate viewing area would be base multiplied by height, but if you would be more specific I would provide a more in detail answer.
Answer:
<h2>
n = <u>
-3</u></h2>
Step-by-step explanation:
Answer:
The correct option is C: the isotope of iodine contains 81 neutrons.
Step-by-step explanation:
The mass (A) of the iodine isotope is given by:

Where:
Z: is the number of protons
N: is the number of neutrons
For iodine Z= 53, so if A = 134 the number of neutrons is:

Therefore, the correct option is C. The isotope of iodine contains 81 neutrons.
I hope it helps you!
Step-by-step explanation:
hope it help you.
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