Answer:
It is -17 degrees.
Step-by-step explanation:
Because:
0 degrees - 20 degrees=-20 degrees
-20 degrees +3 degrees =-17 degrees.
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Answer:
The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.
Step-by-step explanation:
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Answer: It is the area of the base
Step-by-step explanation:
"B" represents the area of the base so if the base is a square than a capital "B" means to find the area of the base (square). To find the area of a square it would be length x width.