450
254 - has 2 hundreds, 5 tens, and 4 ones
849 has 8 hundreds, 4 fewer tens than hundreds, and 5 more ones than tens.
IS 5000 4000
5483
521
This number is equal to 654.7.
438
285
530?
It is 10790.
To express the number "2 hundreds, 5 ones, 9 tens, and 3 tenths" in standard form, you would write it as 259.3. This is because the number 2 represents the hundreds place, the number 5 represents the ones place, the number 9 represents the tens place, and the number 3 represents the tenths place. Therefore, the number can be written as 259.3.
340.5