506 rounded to the nearest tens is 510
0.30.
It is 0.4
Four tens is 40.0 Four tenths is 0.4
The tens place value is the second digit to the left of the decimal point. The decimal point is always to the right of the ones digit; in a whole number, the decimal point is "hiding" (not written) after the ones digit. In 3040 the tens digit is the 4.
506 rounded to the nearest tens is 510
506 is currently not rounded to anything. If you round it to the nearest hundreds place you get 500. You can also round it to the nearest tens place where you'll get 510.
Tens is before the decimal and tenths is after the decimal (:
Expressed in decimal, the binary number 111111010 represents 506.
15 tens = 150
The tens place digit (in a decimal system number) is the second digit to the left of the decimal point.
Decimal
80
64 tens with a remainder of 3 or 64.3 in decimal.
decimal system
To convert any decimal to percent, simply multiply the decimal by 100. So, 5.06 × 100 = 506%
0.30.