ortegac1999 ortegac1999
  • 21-11-2017
  • Mathematics
contestada

Which is the best estimate of -14 1/9 (-2 9/10) ?

a) -42

b) -28

c) 28

d) 42

Respuesta :

Аноним Аноним
  • 01-12-2017
[tex]-14 \, \frac{1}{9} = - ( \frac{14 \times 9)}{9} + \frac{1}{9} ) = - \frac{127}{9} [/tex]
[tex]-2 \, \frac{9}{10} = -( \frac{20}{10} + \frac{9}{10} ) = - \frac{29}{10} [/tex]
Therefore
[tex]-14 \, \frac{1}{9} (-2 \, \frac{9}{10} ) = (- \frac{127}{9} )(- \frac{29}{10} ) = \frac{127 \times 29}{90} =40.922[/tex]

The closest answer is 42.

Answer: d.
Answer Link
leonchantal828 leonchantal828
  • 11-05-2020

Answer:

D. 42

Step-by-step explanation:

Answer Link

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