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OpenStudy (anonymous):
Which placement of grouping symbols in the expression gives it a value of 22?
3 • 4 – 2 + 5 +7
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OpenStudy (anonymous):
@beckyg111
OpenStudy (anonymous):
pemdas?
OpenStudy (♪chibiterasu):
It equals 22 already so just place a parenthesis in a way where it won't affect the solution.
OpenStudy (anonymous):
?
OpenStudy (anonymous):
it should be put exactly like that because the answer is 22 anyways so
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OpenStudy (anonymous):
3 • [4 – (2 + 5) + 7]
B.
(3 • 4) – [2 + (5 + 7)]
C.
[(3 • 4) – 2] + (5 + 7)
D.
3 • (4 – 2) + (5 + 7)
OpenStudy (♪chibiterasu):
Like for example if you had 6 • 4 + 2, it wouldn't change if it were (6 • 4) + 2.
OpenStudy (♪chibiterasu):
Because PEMDAS states that multiplication goes first anyway.
OpenStudy (anonymous):
ok?
OpenStudy (anonymous):
3 • 4 – 2 + 5 +7
A.
3 • [4 – (2 + 5) + 7]
B.
(3 • 4) – [2 + (5 + 7)]
C.
[(3 • 4) – 2] + (5 + 7)
D.
3 • (4 – 2) + (5 + 7)
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OpenStudy (anonymous):
Which placement of grouping symbols in the expression gives it a value of 22?
OpenStudy (♪chibiterasu):
Just look at your options and find out which one also equals 22.
OpenStudy (anonymous):
@beckyg111
OpenStudy (anonymous):
a?
OpenStudy (anonymous):
humm
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OpenStudy (♪chibiterasu):
No.
OpenStudy (♪chibiterasu):
Because 3 would be multiplying into the entire parenthesis when it should only be multiplying into 4.
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