piper445 piper445
  • 11-05-2020
  • Mathematics
contestada

By rounding one significant figure estimate this 310.31 x 7.94 / 317.39 x 0.82

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 25-08-2021

9514 1404 393

Answer:

  6.4

Step-by-step explanation:

After rounding, you have ...

  300 × 8 / 300 × 0.8

  = 2400/300 × 0.8

  = 8 × 0.8

  = 6.4

_____

The Order of Operations requires we consider the 0.82 factor to be in the numerator. If you want it to be in the denominator, the denominator must be enclosed in parentheses.

The actual value is about 6.3656 when rounded to 5 sf, so this isn't a bad estimate.

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