Answer:

Step-by-step explanation:
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➷ The purpose of having these is so that we can identify the amino acid that corresponds to DNA and RNA to produce a protein. They specify the order of amino acids in producing the protein.
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we know that
If two numbers have a sum of zero, then we say they are additive inverses.
so
z+0.8=0 -------> the sum is equal to zero
z=-0.8------> the additive inverse of z is equal to -0.8
using a graph tool
see the attached figure
<u>the answer Part a) and part b) in the attached figure</u>
Z>7 I think that’s the answer let me know if it’s right or not