im499444 im499444
  • 12-09-2020
  • Mathematics
contestada

can you help me estimate 102.3+4.7

Respuesta :

tramserran
tramserran tramserran
  • 12-09-2020

Answer: 107

Step-by-step explanation:

102.3 can be rounded down to 102 (because the 3 at the end of the number is  less than 5)

4.7 can be rounded up to 5 (because the 7 at the end of the number is greater than 5).

102.3  → estimate = 102

    4.7 →  estimate =   5  

   estimated sum  = 107

Note that estimating the sum is NOT the same as simply adding the numbers and then rounding the sum.

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