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The number 80710 is rounded to 2 SF?

The choices are confusing
A) 80700 B)81000 C)8070 D)8100 E) None

Is E correct?
B and D are both 2SF A and C are 3SF???

Thanks for you help.

  • Math -

    You started out with over 80 thousand, so C and D are not correct. The two significant figures should be in the ten thousand and thousand columns.

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