Imsmiley87 Imsmiley87
  • 02-07-2017
  • Mathematics
contestada

Select the proper placement for parentheses to speed up the addition for the expression 4+6+5

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texaschic101
texaschic101 texaschic101
  • 02-07-2017
(4 + 6) + 5.....I would think it would be this one
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Nick911 Nick911
  • 02-07-2017
4+6+5
I will use parentheses in 4 and 6, so
4+6+5
=(4+6)+5
=10+5
=15. Hope it help!
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