Answer:
0.03
Step-by-step explanation:
[tex] \frac{0.21}{7} [/tex]
==>
[tex] \frac{0.21 \times 100}{7 \times 100} [/tex]
===>
[tex] \frac{21}{7} \times \frac{1}{100} [/tex]
==>
[tex]3 \times \frac{1}{100} [/tex]
==>
[tex] \frac{3}{100} [/tex]
==>
[tex]0.03[/tex]
