Oke, ini artikel tentang 0.8 x 800:
What is 0.8 x 800?
0.8 x 800 is a multiplication problem. It asks you to find the product of 0.8 and 800.
How to Solve 0.8 x 800
You can solve this problem in a few different ways:

Using a calculator: The easiest way to solve this problem is to use a calculator. Simply type in 0.8 x 800 and press the equals button. The calculator will give you the answer, which is 640.

Long multiplication: You can also solve this problem using long multiplication. Here's how:
 Write 800 above 0.8, aligning the numbers by their decimal places.
 Multiply 8 by 8, which gives you 64. Write 4 below the line and carry over 6.
 Multiply 8 by 0, which gives you 0. Add the carried over 6 to get 6. Write 6 to the left of 4.
 Multiply 8 by 0, which gives you 0. Write 0 to the left of 6.
 Since we are multiplying by a decimal, we need to move the decimal point in the answer one place to the left.
The final answer is 640.

Mental Math: If you're good at mental math, you can solve this problem in your head.
 You can think of 0.8 as 8/10, which simplifies to 4/5.
 Then, multiply 4/5 by 800.
 800 divided by 5 is 160.
 Finally, multiply 160 by 4 to get 640.
Conclusion
Therefore, the answer to 0.8 x 800 is 640.