Confidently Multiplying Decimals by Powers of Ten

A zero is added to the end of the number.

The number becomes ten times smaller.

The number remains unchanged.

The number moves one decimal place to the right.

230

2300

23.0

2.3

It becomes ten times smaller.

It loses its decimal value.

It remains the same.

It becomes ten times larger.

To fill empty tens and hundreds places.

They have no purpose.

To indicate the decimal places moved.

To increase the value of the number.

Add two zeros to the end.

Move it two places to the right.

Move it two places to the left.

No adjustment needed.

Move the decimal three places to the left.

Add three zeros to the end.

The number becomes 1000 times smaller.

Move the decimal three places to the right.

Yes, but only in multiplication by 10.

No, they are always necessary.

Yes, if they are not needed for decimal places.

No, they indicate the value of the number.

It does not move.

One place to the right.

Two places to the right.

Three places to the right.

Keep all zeros for clarity.

Remove all zeros as they are unnecessary.

Only keep zeros that are between non-zero digits.

Discard place-holding zeros not needed for decimal places.