Need ko na po ngayon please answer po

17.) The difference between 6.094 and 2.255 is ________.

a.) 4.849
b.) 4.241
c.) 3.841
d.) 3.839

20.) Using all the digits 0, 1, 3, and 6. What is the difference between the largest and smallest decimals that can be formed?

a.) 6.274
b.) 6.226
c.) 6.174
d.) 5.374