A decimal is not a number but a WAY of representing (or writing) a number.
It is 10.
0.0001 is one ten-thousandth.
.5
0.10
how many decimals in hundredths round to 0.5
Ten and thirteen hundredths is 10.13
1.010
Ten-millionths.
Ten.
40
Based on units of ten, and typically shown in decimals vs fractions
2 * 5