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Complete the Trailing-Zeros Rule
publish date: 2026/05/09 07:17:26.754791 UTC
To find the product of a whole number and 10, 100, 1,000, and so on, (1) the number of zeros in that number to the right of the whole number.
And for two factors both ending in zeros: multiply the nonzero leading digits and attach the (2) of the number of trailing zeros.
Please drag and drop the selected option in the right place or type it instead
attach
sum
Correct Answer
(1) attach
(2) sum
Explanation
Rule 1: Attach the number of zeros in the power of 10 to the other factor. Rule 2: When both factors end in zeros, multiply the nonzero parts and attach the sum of all trailing zeros from both factors.
Reference
Mathematics for college students