It is 5000.
10 times 2/5
21.5 in expanded form = (2 x 10) + (1 x 1) + (5/10)
Hundreds.
To round off 321 to the nearest 10, you would first identify the digit in the tens place, which is 2. Since the digit in the ones place is less than 5, you would round down to the nearest 10. Therefore, 321 rounded to the nearest 10 is 320.
510
50,000
It is 5000.
10 times 2/5
21.5 in expanded form = (2 x 10) + (1 x 1) + (5/10)
50 (nearly 51). But the fifty hundreds are in the form of 5 thousands: no left-over hundreds as such.
We expand 715 into 7 hundreds, 1 ten, and 5 ones. This can be written as 7(100) + 1(10) + 5(1) = 715.
500 in standard form is 5.0 x 102
Hundreds.
Every coin, if the measurement unit is chosen appropriately/
To round off 321 to the nearest 10, you would first identify the digit in the tens place, which is 2. Since the digit in the ones place is less than 5, you would round down to the nearest 10. Therefore, 321 rounded to the nearest 10 is 320.
Thousands are represented by an M and hundreds by a C. Fours are normally represented by the 5 unit (L=50 and V=5) preceded by a 1's unit (X=10 and I=1) to show 1 subtracted from 5. In this case the number would be MCMXLIV.