emeliee305
emeliee305 emeliee305
  • 14-10-2017
  • Mathematics
contestada

what is the sum of 4.2x10^5 and 5.3x10^5

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JonHenderson55
JonHenderson55 JonHenderson55
  • 14-10-2017
The answer is:  " 9.5 * 10⁵ " .
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4.2 * 10⁵  + 5.3 * 10⁵  = (4.2 + 5.3) * 10⁵ = 9.5 * 10⁵ .
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