Do Not Use a Calculator: Divisibility By 10

Number Theory Level 1

Is 156248970 156248970 divisible by 10?

Yes No Can't Say I Don't Know

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Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

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2 solutions

Trevor Arashiro
Oct 15, 2014

Last digit =0

∴ it’s divisible by 10 \therefore \text{ it's divisible by 10}

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Quanwei Lei
Oct 25, 2014

the zero indicates that it is dividible of 10

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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