240
what is the place and the value of 61.672 and 2 is the underlined digit.
This would have been easier if you showed us the underlined digit but there is a 5 in the thousands place, a 2 in the hundreds place, an 8 in the tens place and a zero in the ones place, representing (respectively) five thousand, two hundred eighty.
688.3
The steps for rounding is to underline the place to round to. Look at the number to the right. If that number is 5,6,7,8,9 then add one to the underlined number and drop the numbers to the right or fill in with zeros if it is between it and the decimal. 5.3425 is about 5.34 since the 2 is not 5,6,7,8,9.
580.00
This would be a lot easier if one of the numbers was underlined. From right to left, this number has 0 in the ones place, 3 in the tens place, 1 in the hundreds place, 5 in the thousands place, 7 in the ten thousands place, 2 in the hundred thousands place, 6 in the millions place, 1 in the ten millions place and 4 in the hundred millions place.
It is: 21498.3 rounded to the tenth place
It is already rounded to exactly that degree.
2
357.66
14.28