Help with dividing decimals...?

Question

Directions: Copy the puzzles on lined paper. Use front end adjusted estimation to determine the quotients. Do ALL steps within the division puzzle, not on the side. round to the requested place value.

1.

3.111/ 30.5

[hundredth]

2.

5131.3/ 640

[tenth]

3.

.62/ .392

[tenth]

can you please explain in detail how to solve the problems.

thank you.

=]

Answer 1

1)

3.111/30.5

= 0.102

≈ 0.10

2)

5131.3/640

= 8.01765625

≈ 8.0

3)

0.62/0.392

= 1.58163265306...

≈ 1.6

Answer 2

1. move the decimal point once to the right in each numbers

,  so 30.5 becomes 305 and the 3.111 becomes 31.11 and then divide it          

          31.11/ 305     , divide it until it can be express as the quotient so the ans.  is   1.2   .. you'll the one to ans the next okay..................