Answer:
a-0.06
b-0.43
c-0.3
d-I don't know what u were asking 423/4,000 is 0.10575
Explanation:
Finding decimals from fractions is easy just divide the top number by the bottom a fraction sign is the same as a division sign I don't know why you use the other one with the dots on both sides instead of just always using this one.