what is 7.45 estimated to ther is no place value
To estimate the value of a number without any specific place value given, you can round it to the nearest whole number. In the case of 7.45, we can round it to the nearest whole number by looking at the digit in the tenths place, which is 4.
Since 4 is less than 5, we round down the whole number. Therefore, 7.45 would be estimated as 7.