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Multiplying decimals is simple once you understand the process. When you multiply two decimal numbers, it’s useful to start by ignoring the decimals and just multiply the numbers as if they were whole numbers.

After multiplying, count the total number of decimal places in both of the original numbers. This tells you how many decimal places your answer should have.

For instance, in our example calculation to find 1% of one million: \[ 1,000,000 \times 0.01 \] You start by ignoring the decimals, which makes it essentially: \[ 1,000,000 \times 1 = 1,000,000 \] Then, you count the decimal places. The number 0.01 has two decimal places.

So, you move the decimal point in the answer two places to the left, resulting in 10,000. Therefore: \[ 1,000,000 \times 0.01 = 10,000 \]

Percentages are a way to express a number as a fraction of 100. The term 'percent' means per hundred or out of 100.

To convert a percentage to a decimal, you divide by 100. For example, 1% as a decimal is: \[ \frac{1}{100} = 0.01 \] This is why when you want to find 1% of a number, you multiply by 0.01.

In the given exercise, we needed to find 1% of one million. By converting 1% to its decimal form (0.01) and multiplying, we get the correct answer.

Percentages make it easier to understand proportions and compare quantities. For example, 50% means half, and 25% means one-quarter.

Basic arithmetic is the foundation of all mathematics, involving simple operations like addition, subtraction, multiplication, and division.

In our exercise, multiplication is the key operation. Understanding multiplication of large numbers follows the same rules as smaller ones, but ensuring accuracy is crucial.

The multiplication problem in the exercise was: \[ 1,000,000 \times 0.01 \] Basic arithmetic was used to simplify this problem step-by-step, ensuring each part was clearly understood.

Mastering these basic operations sets a strong foundation for more complex mathematical concepts. Practice each operation regularly to build confidence and accuracy.