by estimating the number after the decimal
5000
You can use decimals in money.
to find a low estimate for the product of two decimals, round both factors
A math teacher or a mathematician.
7.8+31.39+6.95
Benchmark Decimals are fractions (decimals) like 0 1/2 1/4 .25 .50 .75 like that!
rounding
1.0 and 0.5
compare with random fraction to a benchmark fraction. to tell if a fraction is less or greater than another fraction.
5000
0.235 * 0.6891 = 0.1619385 What's to estimate? The total decimal places in the multiplicands is the total in the answer.
You can use decimals in money.
In the same way as you estimate them for whole numbers.
gravity use decimals by
to find a low estimate for the product of two decimals, round both factors
Take the numerator and divide it by the denominator. like 1/2: 1 divided by 2. or remember the fractions in2 decimals as benchmarks. like 1/2 = 0.5, 1/9= 0.1 repeating, etc...
Accountants use decimals by simply dividing the fractions and getting a decimal number. One does not need to be an accountant to use decimals.