Respuesta :

Answer:

542.1

Step-by-step explanation:

you round up since 7 is above 5

Answer:

542.1

Step-by-step explanation:

Find the number in the tenth place  0  and look one place to the right for the rounding digit  7 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 .