2. Properties of Real Numbers
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For a decimal number, the whole number part tells us how many whole units we will move away from 0 along the number line. The fractional part expresses how much of the next whole unit will be included.
In this case, we are given a decimal number. A decimal number is a number whose whole number part and fractional part are separated by a decimal point. 4. 8 The whole number part tells us how many whole units we will move away from 0 along the number line. The fractional part expresses how much of the next whole unit will be included. Since we have a positive number, we will move to the right 4 whole units, and then 810= 45 units further.