Question

3 4/5 expressed as a decimal is

3.40
3.45
3.50
3.80

Answer 1

1/10=0.1

3 and 4/5=3+4/5
4/5 times 2/2=8/10=0.8
3 and 4/5=3+0.8=3.8

answer is last one

Answer 2

It is expressed as 3.80