Question

${7}^{2} - \sqrt{361} + {21}^{3}$
= {7}^2= 7×7=49

= Square root 361= 19×19

= {21}^3= 21×21×21=9261

= Square root 361-{7}^2= 30

= 30+9261

Your answer:

9291

hope it helps you​

Answer 1

= Square root 361= 19×19

= {21}^3= 21×21×21=9261

= Square root 361-{7}^2= 30

= 30+9261

Your answer:

9291