what is the product of 542 and 10

Question

not sure how to get the answer my son is a 5th grader

Answer 1

542*10 = 5420

 

When you multiply a number by 10, just add a zero to the end of the number; so 542 becomes 5420.

 

   542

 x  10

 ------

   000

 542

-------

 5420