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Answer:

    312 784

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Significant figure can be defined in mathematics as the number of integers or digits in a number that tells us how significant and accurate the number is.

Rounding to 1 significant figure, 346 x 904  is 300000

When rounding a number to significant figures, the following rules are important.

  • Digits with no zeros in them  are always significant
  • Zeros between digits with no zeros in them are always significant
  • The zero at the beginning of a number is not insignificant.

346 multiplied by 904 is calculated as:

346 x 904 = 312794

Converting 312794 to 1 significant figure is 300000

Therefore, rounding to 1 significant figure, 346 x 904  is 300000.

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