darkchicky123ouulwc darkchicky123ouulwc
  • 17-08-2017
  • Mathematics
contestada

Use rounding or compatible numbers to estimate the sum. 256+321

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jasmeency jasmeency
  • 17-08-2017
256 being rounded would become 260 and 321 would become 320 so adding up the estimates the would be 580 (real answer is 577)
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