Understanding Powers of 10

What happens to the number of zeros in the result when you multiply a number by a power of 10?

• The number of zeros doubles.

• The number of zeros increases by the number of zeros in the power of 10.

• The number of zeros remains the same.

• The number of zeros decreases.

When multiplying a decimal number by a power of 10, what should you do if the decimal point moves past the digits?

• Ignore the extra space.

• Remove the decimal point entirely.

• Add zeros to fill in the missing number places.

• Move the decimal point back to its original position.

How do you divide a number by a power of 10?

• Shift the decimal point to the left.

• Shift the decimal point to the right.

• Multiply the number by 10.

• Add zeros to the left of the number.

What should you do with the decimal point when dividing a whole number by a power of 10?

• Leave it as it is.

• Shift it to the left and add zeros if necessary.

• Shift it to the right.

• Remove it completely.

When dividing 410 by 10,000, what is the correct result?

• 41

• 4.1

• 0.041

• 0.0041