SOMEONE PLEASE HELP IM IN A MATH EXAM PLS

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent