can yall help me with this math qt will give brainlest

Answer:
A
Step-by-step explanation:
To express 4/5 as a decimal, you divide 4 by 5. Here is long division image at the bottom. You can just input it into a calculator (4 divdie 5) or notice that 4/5 = 8/10 = 0.8.
I hope this helps!