26-08-2014
Mathematics

Answered

Which placement of grouping symbols in the expression gives it a value of 14? 6 • 4 – 4 + 9 – 3 A. 6 • (4 – 4 + 9) – 3 B. 6 • 4 – [4 + (9 – 3)] C. (6 • 4 – 4) + (9 – 3) D. 6 • [(4 – 4 + 9) – 3]

Verified Answer :

littlestar littlestar

26-08-2014

the correct option is B...
6 . 4 - [4 + (9 - 3)]
= 6 . 4 - [4 + 6] BY SOLVING ( 9 - 3 )
= 6 . 4 - 10 BY SOLVING [ 4 + 6 ]
= 24 - 10
= 14 ANSWER ...:)

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