On average, the Moon is three hundred and eighty thousand km (kilometers) from the Earth. How is this quantity expressed as a number?

380000 km

Explanation:

The number is 380000

From the right

The first digit is the ones place

The second digit is the tens place

The third digit is the hundreds place

The fourth digit is the thousands place

The fifth digit is the ten thousands place

The sixth digit is the hundred thousands place

While reading a number we read the first digit on the left and add which place it is at.

Then the next digit as well as the place it is at.

Here the 3 is at the hundred thousands place. So, we say three hundred.

Then we read the next digit which is 8 and is at the ten thousands place.

So, we say three hundred and eighty thousand