Answer:
Question one answer.
length 8cm. with 4.2cm. height 3.1cm
V= L×W×H
= 8cm × 4.2cm × 3.1cm
= 104.16cm³)
Question 2 answer
there will be 2 decimal after decimal point because in with and height, at total there is two decimal, so it will be 2decimal for ever.
if my answer helps you,