Look at the digit in ones place. If it is five or greater, round the digit in tens place to the next higher digit. If the digit in ones place is less than five, leave the digit in tens place as it is. 512162 rounded to the nearest tens is 512160.
69
69 !
538 is rounded to 540 to the nearest tens digit or to 500 to the nearest hundred.
To round any number, look at the digit to the right of the place you are rounding to. If the digit is 5 or more, change the digit in the place you are rounding to to the next higher digit. If the digit to the right of the place you are rounding to is less than 5, leave the digit in the place you are rounding to as it is. Change all digits to the right of the place you rounded to to zeros. 83 rounded to the nearest tens is 80.
2,380
'94' rounded to the nearest tens is '90'.
135
Yes.
1640
94
60
20
Look at the digit in ones place. If it is five or greater, round the digit in tens place to the next higher digit. If the digit in ones place is less than five, leave the digit in tens place as it is. 512162 rounded to the nearest tens is 512160.
89 rounds to 90
69
12.6 rounded to the nearest 10 is 10.