In an old story, a man puts 2 grain of rice on the first space of a chessboard. He puts 4 grains on the third space and so on write and evaluate an expression with exponents to find how many grains of rice the man puts on the tenth space.

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