9234*523=?

Algebra Level pending

no note

37620839 6303 9923873 4829382

Ezekiel Adame by Ezekiel Adame , 16, USA

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3 solutions

You can deduce the last digit is 2 2 .

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B D
Aug 24, 2018

Two ways to solve it

  • Use a calculator to solve this problem.
  • 4*3=12 write 2(as last digit) and one in mind. And because there is no other option with last digit 2 its not necessary to calculate the other digits the answer 4829382.
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no calculator

Ezekiel Adame - 2 years, 9 months ago

Problem says to multiply:

9234=4(%10)

523=3(%10)

9234*523=2(%10)

From given options, we can see that only 1 option has last digit as 2.

Hence, the answer is 4829382.

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