What is 0.4% of 64000?

We need to find 0.4% of 64000.

The word "percent" means "per hundred" or "out of 100".

So 0.4% means 0.4 out of every 100.

To calculate with percentages, we first convert to a decimal.

Divide the percentage by 100:

0.4 ÷ 100 = 0.004

This means 0.4% = 0.004

Now multiply the decimal by the number:

0.004 × 64000 = 256

So 0.4% of 64000 = 256

You can also think of it as a fraction:

0.4% of 64000 = (0.4/100) × 64000

= (0.4 × 64000) / 100

= 25600 / 100

= 256