Respuesta :

Answer:

400

Step-by-step explanation

Method for rounding:

Look at the number 1 place before the place you are rounding to.

If it is greater than 4: round up

otherwise: round down.

Ok,

here the number we're looking at is 8 cuz' 8 is in the ones place.

8 is bigger than 4 so we round up.

398.223 becomes 400

Answer:

Number would be 400.

Step-by-step explanation:

Given  :   398.223

To find :  rounded to the nearest tens

Solution : We have given We can write it as   398.223

Step 1 : Identify the tens digit 9 in 398.223

Step 2: Identify the next smallest place value 8 in 398.223

Step 2: We can the digit greater than five , so it would be rounded up.

Step 4 : The  tens digit 9 increased by 1 and Every digit

after becomes a zero.

Step 5 : Number become 400.000

Therefore,  Number would be 400.