Answer: .
Step-by-step explanation:
Answer:
<1 and <8 are alternate exterior angles
Step-by-step explanation:
Alternate means on the opposite side of the transversal
Exterior means outside the parallel lines
<1 and <8 are alternate exterior angles
Answer:
2.57 x 10^1
is the scientific notation of 25.7
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. (Atomic mass is also referred to as atomic weight, but the term "mass" is more accurate.)
I know this but I can't remember how to do the process.