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| Math Central | Quandaries & Queries |
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Question from Henry, a student: What two numbers that don't end in zero when multiplied equals 1,000,000,000 and same with 1,000,000,000,000,000,000. |
Hi Henry,
What two numbers that don't end in zero when multiplied equals 10?
100 = 10 × 10. What two numbers that don't end in zero when multiplied equals 100?
1000 = 100 × 10. What two numbers that don't end in zero when multiplied equals 1000?
Penny
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