Answer:
1) Option 3 - 90% , 0.90
2) Option 1 - 7.44
Explanation:
1) To find : Convert the following fraction to a decimal and then to a percent. round the decimal to three places before converting to percent ?
Solution :

Converting fraction into percentage we multiply number by 100,

Percentage into decimal,

Therefore, Option 3 is correct.
2) To find : The quantity 6% of 124 ?
Solution :




Therefore, Option 1 is correct.