Answer:
1) Option 3 - 90% , 0.90
2) Option 1 - 7.44
Step-by-step 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 :
[tex]\frac{9}{10}[/tex]
Converting fraction into percentage we multiply number by 100,
[tex]\frac{9}{10}\times 100=90\%[/tex]
Percentage into decimal,
[tex]90\%=\frac{90}{100}=0.90[/tex]
Therefore, Option 3 is correct.
2) To find : The quantity 6% of 124 ?
Solution :
[tex]x=6\%\text{ of }124[/tex]
[tex]x=\frac{6}{100}\times 124[/tex]
[tex]x=\frac{744}{100}[/tex]
[tex]x=7.44[/tex]
Therefore, Option 1 is correct.
