1427
google search
Google search results:
1: https://brainly.in/question/7002106
++++++++++++++++
2: https://www.sawaal.com/square-roots-and-cube-roots-questions-and-answers/cube-root-of-729-then-square-it_14722
++++++++++++++++
3: https://www.doubtnut.com/gk-questions-answers/cube-root-of-729-then-square-it-13118
++++++++++++++++
4: https://economics.mit.edu/files/13541
++++++++++++++++
5: https://files.eric.ed.gov/fulltext/ED160414.pdf
++++++++++++++++
6: https://www.cimt.org.uk/projects/mepres/step-up/mepanswers.pdf
++++++++++++++++
7: http://jnsilva.ludicum.org/HMR13_14/536.pdf
++++++++++++++++
8: https://dspace.gipe.ac.in/xmlui/bitstream/handle/10973/39798/GIPE-058047.pdf?sequence=3
++++++++++++++++
9: https://www.bis.gov.in/wp-content/uploads/2020/12/answer-key.pdf
++++++++++++++++
10: https://books.google.com/books?id=S-sCAAAAMBAJ&pg=PA60&lpg=PA60&dq=Question+22+:Cube+root+of+729+then+square+it%0AO+a:)+9%0AO+b:)+36%0AOc:)+81%0AO+d:)+144%0ASave&source=bl&ots=s2yPK_XMF8&sig=ACfU3U1GvfZtGUV6ojfL95TV4lM-yPiBkA&hl=en&sa=X&ved=2ahUKEwjHmL7Yq7_zAhU4JDQIHWExC6wQ6AF6BAgfEAM
++++++++++++++++