What is 0.28% of 6400?

We need to find 0.28% of 6400.

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

So 0.28% means 0.28 out of every 100.

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

Divide the percentage by 100:

0.28 ÷ 100 = 0.0028

This means 0.28% = 0.0028

Now multiply the decimal by the number:

0.0028 × 6400 = 17.92

So 0.28% of 6400 = 17.92

You can also think of it as a fraction:

0.28% of 6400 = (0.28/100) × 6400

= (0.28 × 6400) / 100

= 1792 / 100

= 17.92