Tentu, berikut adalah artikel tentang 0.5 x 0.2:
Multiplying Decimals: 0.5 x 0.2
When multiplying decimals, it's important to understand the concept of place value and how it affects the product. In this case, we are multiplying 0.5 (which is half) by 0.2 (which is onefifth).
Here's how to approach the multiplication:

Ignore the decimal points for now. Multiply 5 and 2, which gives you 10.

Count the total number of decimal places in the original numbers. 0.5 has one decimal place, and 0.2 has one decimal place, for a total of two decimal places.

Place the decimal point in the product. Starting from the rightmost digit of the product (10), move the decimal point two places to the left. This gives us 0.10.
Therefore, 0.5 x 0.2 = 0.10.
Let's break down why this works:

Place value: Each digit in a decimal number represents a specific power of ten. For example, in 0.5, the '5' represents 5 tenths (5/10). In 0.2, the '2' represents 2 tenths (2/10).

Multiplication: When we multiply 0.5 x 0.2, we are essentially multiplying (5/10) x (2/10).

Simplifying: Multiplying the numerators (5 x 2) and the denominators (10 x 10) gives us 10/100.

Decimal form: 10/100 is equivalent to 0.10.
Key takeaway: When multiplying decimals, ignore the decimal points initially, multiply the numbers as whole numbers, and then place the decimal point in the product based on the total number of decimal places in the original numbers.