Angelv00
Angelv00 Angelv00
  • 17-03-2015
  • Mathematics
contestada

Estimate by first rounding each number to the nearest 1/2. -3 8/9 * 1 1/2

A.
–6

B.
–3

C.
6

D.
8

Respuesta :

Аноним Аноним
  • 17-03-2015
[tex]-3\frac{8}{9}\cdot1\frac{1}{2}\\\\\frac{8}{9}\approx1\ therefore\ -3\frac{8}{9}\approx-4\\\\so:-3\frac{8}{9}\cdot1\frac{1}{2}\approx-4\cdot1\frac{1}{2}=-4\cdot(1+\frac{1}{2})=-4(1)-4(\frac{1}{2})=-4-2=\boxed{-6}\\\\Answer:\boxed{A}[/tex]
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